Finals Review

36

26

42

59

3x + 7

7x

3x + 12

15x

She didn't distribute correctly. The second step should read 3x - 12 = 24

She didn't subtract correctly. The third step should read -3x = 12

She didn't distribute correctly. The second step should read -3x + 12 = 24

She didn't make an error.

3

17/12

1

2

$$x^{ }+9x+9$$  

$$x^2+9x+14$$  

$$x^2+9x+7$$  

$$2x+9x+14$$  

$$m^2-7m+10$$  

$$m^2-7m-10$$  

$$m^2+7m+10$$  

$$m^2+7m-10$$  

 -11

-25

11

25

divide by 5 on the left side of equal sign

divide by 5 on both sides of equal sign

multiply by 5 on right side of equal sign

multiply by 5 on both sides of equal sign

49x⁶y⁴

-14x⁶y⁴

-14x⁵y⁴

-49x⁶y⁴

y=2x+4

y=-2x-4

y=2x-2

y=2x-4

subtract 2x from each side

subtract 4y from each side

add 2x to each side

add 4y to each side

10

12

14

16

There is not a rational cube root for 2744.