Mathematics High School

What is the first step in solving quadratic equations by finding square roots?
a.
give the positive and negative answer
c.
square root both sides to isolate x
b.
isolate the x squared by using inverse operations
d.
none of these'

Answers

Answer 1

Answer:

it depends on the method bro for substitution first substitute the x

Answer 2

Answer:

A i belive

Step-by-step explanation:

Related Questions

Find the midpoint of the line segment with endpoints (1, 7) and (3, 3).
A) (2, 4)
B) (3, 4)
C) (2, 5)
D) (3, 5)

Answers

I think it is C
If I’m wrong I’m Srry but I think it is C (2,5)
Find the midpoint of the line segment with endpoints (1, 7) and (3, 3).

C) (2, 5)

if 2x + y = 12 and x + 2y = -6, then find the value of 2x + 2y

Answers

2x + y = 12
2x = 12 - y

x + 2y = -6
2y = -6 - x

2x + 2y
12 - y + (-6) - x
12 + (- 6) - y - x
12 - 6 - y - x
6 - y - x

Answer: - x - y + 6

You have a $20 bill to get gas for your car. If gas is $3.55 per gallon and your car gets 21 miles per gallon, how many miles will you be able to drive your car on $20?

Answers

Answer:

118.3098592 miles  on 20 dollars

Step-by-step explanation:

First determine how many gallons you can get for 20 dollars

20/ 3.55 per gallon = 5.633802817 gallons

We can get 21 miles per gallon

Take the number of gallons times 21 miles per gallon

5.633802817 gallons * 21 = 118.3098592 miles

Which ordered pair is not a solution to this system?
x+y>3
x + 2y > 5
A (2,1)
B. (2,2)
C (2,3)
D. (2,4)
E. (2,5)

Answers

Answer:

A (2,1)

[tex]x + y > 3 \\ x + 2y > 5 \\ \\ a)2 + 1 > 3 \: wrong \\ 2 + 2(1) > 5 \: wrong \\ \\ [/tex]

So, right off the bat, you can tell that the ordered pair (2,1) is most definitely NOT the solution to this system.

In each figure below find m ∠1 and m∠2, if a||b. Justify with reasons your solution.
b

Answers

Answer:

105* and 75*

Step-by-step explanation:

Select three ratios for the given ratio 6/14

Answers

Answer:

3 to 7

9 to 21

12 to 28

Step-by-step explanation:

6/14 is also equal to 6 to 14 or 6:14

What is the y-intercept? O (0, -5) O (0-2) O (0, 2) O (0, 4)​

Answers

Answer:

(0,-5)

Step-by-step explanation:

the y-intercept is when the line passes through the y-axis

Answer:

(0,-5)

Step-by-step explanation:

the y-intercept is when the line passes through the y-axis

Find the equation of the line that contains the points (6,3) and (9,4) Write the equation in the form y=mx+b HELP ASAP

Answers

Answer:

y = 1/3x + 1

Step-by-step explanation:

find the slope by using y2-y1/x2-x1

4-3/9-6

1/3.  slope = 1/3 = m

2. plug the values into the equation to find y-int. You can use whichever point is given to you

I'll use (6,3)

y = mx + b

3 = 1/3(6)+b

1/3(6)=2

3 = 2 + b

3. subtract 2 from both sides and you get b

b = 1

So, the equation of the line would be

y = 1/3x + 1

Joseph wants to find the side length of a square that has an area of 150 feet. Should his answer be rational or irrational? Why?

Answers

Answer:

The answer is irrational

Step-by-step explanation:

heelppppppppppp pleaseee

Answers

Answer:

x = -1

Step-by-step explanation:

6 -8x = 6x -9x +11

Combine like terms

6 -8x = -3x+11

Add 8x to each side

6-8x +8x = -3x+8x +11

6 = 5x+11

Subtract 11 from each side

6-11 = 5x+11-11

-5 =5x

Divide each side by 5

-5/5 = 5x/5

-1 =x

EASY GEOMETRY**
IDENTIFY THE angle shown​

Answers

Answer: D. Obtuse

Step-by-step explanation: It is greater than a 90 degree angle.

i need help someone give me this answer plz

Answers

it’s 3 .............

please answer
will mark as brainliest

Answers

Answer:

nine below zero

nine less than zero

the opposite of 9

Step-by-step explanation:

(brainliest plz)

Answer:

Nine below zeroNine less than zeroThe opposite of nine

I hope this helps!

7. Work out the gradient of the line y + 7x = 8

Is anyone able to help much appreciated

Answers

Answer:

[tex]gradient \: = - 7[/tex]

Step-by-step explanation:

[tex]y + 7x = 8 \\ y = - 7x + 8[/tex]

According to,

[tex]y = mx + c \\ [/tex]

m = gradient

So,

[tex]y = - 7x + 8[/tex]

[tex]m = - 7[/tex]

Answer:

-7

Step-by-step explanation:

equation=y+7x=8

y=-7x+8

the gradient is always the x co-efficient

therefore the gradient is -7

What is the expression [tex]x^2+14x+40[/tex] in factored form?

Answers

Answer:

b

Step-by-step explanation:

since x is squared, you would put that into both parenthesis, so you should have (x)(x) right now

then you need to find factors of 40 that add to 14

factors of 40: 40 and 1, 20, and 2, 4 and 10, 5 and 8

4 and 10 multiply to equal 40 and add to equal 14

put each factor into a parenthesis

so now you should have (x+10) (x+4)

side note: if the number 40 was negative then one of the factors would have to be negative, this would result in (x+10) (x-4) or (x-10) (x+4)

Which expression is equivalent to the expression shown?

please help

Answers

Op B is ur answer

No worries

Answer:

b) [tex]4a^{2} b^{2} c^3[\sqrt[3]{b} ]}[/tex]

Step-by-step explanation:

There’s two fish in a tank, one of them turns to the other and says..?

Answers

Answer:

hi fishy bwotha

Step-by-step explanation:

Answer: "How the heck do you drive this thing!?"

Step-by-step explanation: because normally they would be in a fish tank, but here they are in a military tank.

(-8) + (+12) what is the answer to this can someone please write it out clearly?​

Answers

Answer:

4

Step-by-step explanation:

so here since -8 is smaller then 12 your basically subtracting. In simpler terms its basically just 12-8

Answer:

The answer is 4

Step-by-step explanation:

  Since you have negative 8 when you add 12 it is like you are just adding 8 making the number 0 and then add the rest from the 12 which is 4

Can some please help me

Answers

Answer: (-1, -3)

Step-by-step explanation:

x: -2= (-3 + x)/2               y: 5 = (7 + y)/2

   -4= -3 + x                         10= 7 + y

   -1 =x                                  -3 = y

              (-1,-3)


Combine the expressions from parts B and C to give the pair of coordinates of any point after a reflection across the x-axis,

Answers

Answer:

For any initial point (x, y), the new point after a reflection across the x-axis is (x, -y).

*Edmentum answer*

Answer:

For any initial point (x, y), the new point after a reflection across the x-axis is (x, -y).

Step-by-step explanation:

edemtum answer

What is the value of X

Answers

Answer:

5.25

Step-by-step explanation:

butterfly method

x   3

--   --

7    4

7(3)=4x

21=4x

/4   /4

x=5.25

I need help asap please ​

Answers

The slope is 4/3 because rise over run (if u have heard of that expression)

4. Solve 5x + 25 = 250 x = ?* Enter the number value only.​

Answers

Answer: x = 5/49 ; 0.102041

Step-by-step explanation:

Subtract 5x on both sides. 25 = 245xDivide by 245 on both sides. x = 5/49. As a decimal, it is approximately 0.102041.

Write a triangle congruence statement for the two triangles
below
E
D
ht
B
с
F

Answers

Answer:

FtD

Step-by-step explanation:

1. SOLVE FOR X 3x + 2 = 2x + 9
O x = 9
O x = 7
O x = 5
X = 3

Answers

Answer:

x =7

Step-by-step explanation:

Answer:

x = 7

Step-by-step explanation:

Given

3x + 2 = 2x + 9 ( subtract 2x from both sides )

x + 2 = 9 ( subtract 2 from both sides )

x = 7

Please help me I will crown

Answers

B i believe, tell me if i get that wrong or not lol

Complete the solution of the equation. Find the
value of y when x equals -14.
-2x - 3y = 49
Enter the correct answer.

Answers

Answer:

y = -7

Step-by-step explanation:

If x equals -14 then you would plug it in and the equation would be -2(-14)-3y=49

The new equation would be 28-3y=49

Then you would subtract 28 from both sides and get -3y=21

Lastly you would divide both sides by -3 and get y=-7

Triangle ABC is transformed to Triangle A′B′C′, as shown below: A coordinate grid is shown from negative 4 to 0 to 4 on both x- and y-axes. A triangle ABC has A at ordered pair negative 3, 4, B at ordered pair negative 4, 2, C at ordered pair negative 1, 1. A triangle A prime B prime C prime has A prime at ordered pair 3, 4, B prime at ordered pair 4, 2, C prime at ordered pair 1, 1. Which equation shows the correct relationship between the measures of the angles of the two triangles? (5 points)

Answers

Answer:

Option 4.

[tex]\angle BCA =\angle B' C'A'\\[/tex]

Step-by-step explanation:

By graphing these we see that these triangles are Similar which means that there corresponding angles measure is equal i-e  all angles are equal and hence option 4 is the answer

Answer:

The measure of angle ABC = The measure of angle A prime B prime C prime

Step-by-step explanation:

On a vacation, Linda's family traveled 495 miles at 55 mph.

What is the unit rate/slope in this example?

Answers

Answer:

500

Step-by-step explanation:

8

I Need Any Help I Can Get ASAP
Suppose that there are two types of tickets to a show: advance and same-day. The combined cost of one advance ticket and one same-day ticket is $45. For one performance, 15 advance tickets and 25 same-day tickets were sold. The total amount paid for the tickets was $975. What was the price of each kind of ticket?

Answers

Answer:

Cost for Advance ticket: $20

Cost for Same-day ticket: $15

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