Question 1

Simplify:  $(-3w^2+4w+8)+(-6w^2-2w+4)$

Accepted Answer

$-9w^2+2w+12$

Answer

$-9w^2+4w+12$

Answer

$-3w^2+2w+12$

Answer

$-3w^2+4w+12$

Question 2

Simplify:  $(6g^3-3g-7)+(2g^2+6g-7)$

Accepted Answer

$6g^3+2g^2+3g-14$

Answer

$8g^3+2g^2+3g-14$

Answer

$6g^3+2g^2+6g-14$

Answer

$6g^3+8g^2+3g-14$

Question 3

Simplify:  $(-2c^2+7c+2)-(-4c^2-4c+7)$

Accepted Answer

$2c^2+11c-5$

Answer

$-2c^2+11c-5$

Answer

$2c^2+7c-5$

Answer

$-2c^2+7c-5$

Question 4

Simplify:   $(5m^3-6m^2-5)-(-m^2+9m+3)$

Accepted Answer

$5m^3-5m^2-9m-8$

Answer

$6m^3-5m^2-9m-8$

Answer

$5m^3-5m^2-15m-8$

Answer

$5m^3+6m^2-9m-8$

Question 5

Simplify $7(8x-4)$

Accepted Answer

$56x-28$

Answer

$56x+32$

Answer

$56x+28$

Answer

$56x-32$

Question 6

Simplify:   $-(3x+7)$

Accepted Answer

$-3x-7$

Answer

$-3x+7$

Answer

$-3x+21$

Answer

$-3x-21$

Question 7

Multiply $(5n-9)(n+6)$

Accepted Answer

$5n^2+21n-54$

Answer

$5n^2-21n+54$

Answer

$5n^2+39n-54$

Answer

$5n^2-39n+54$

Question 8

Multiply:  $(a-5)(a-2)$

Accepted Answer

$a^2-7a+10$

Answer

$a^2+3a+10$

Answer

$a^2-3a-10$

Answer

$a^2+7a-10$

Question 9

Multiply:  $(6k-7)(k^2-6k-4)$

Accepted Answer

$6k^3-43k^2+18k+28$

Answer

$6k^4-7k^3-18k^2-36k+28$

Answer

$6k^4-7k^3-36k^2-6k+28$

Answer

$6k^3+29k^2-6k+28$

Question 10

Solve the equation:  $-2y=9y-2$.  (Always write answer as a simplified improper fraction.)

Accepted Answer

$\frac{2}{11}$

Answer

$\frac{2}{7}$

Answer

-$\frac{2}{7}$

Answer

-$\frac{2}{11}$

Question 11

Solve the equation:  $9-8k=6k+8$.  (Always write answer as a simplified improper fraction.)

Accepted Answer

$\frac{1}{14}$

Answer

-$\frac{1}{2}$

Answer

$\frac{1}{2}$

Answer

-$\frac{1}{14}$

Question 12

Solve the equation:  $3a-3=9a-6$.  (Always write answer as a simplified improper fraction.)

Accepted Answer

$\frac{1}{2}$

Answer

$2$

Answer

-$\frac{1}{2}$

Answer

$-2$

Question 13

Solve:  $r+6=2(-5r-8)-2$.  (Always write answer as a simplified improper fraction.)

Accepted Answer

$-\frac{24}{11}$

Answer

$\frac{8}{3}$

Answer

$\frac{24}{11}$

Answer

$-\frac{8}{3}$

Question 14

Find the slope of the line that passes through $(5,8)$ and $(6,2)$.

Accepted Answer

$-6$

Answer

$\frac{1}{6}$

Answer

$6$

Answer

$-\frac{1}{6}$

Question 15

Find the slope of the line that passes through $(1,5)$ and $(7,-3)$.

Accepted Answer

$-\frac{4}{3}$

Answer

$\frac{3}{4}$

Answer

$-\frac{3}{4}$

Answer

$\frac{4}{3}$

Question 16

Which equation models the graph?

Accepted Answer

$y=x$

Answer

$x=0$

Answer

$y=0$

Answer

$y=-x$

Question 17

Which equation models the graph?

Accepted Answer

$y=-x$

Answer

$y=x$

Answer

$x=0$

Answer

$y=0$

Question 18

Which equation models the graph?

Accepted Answer

$y=\frac{3}{2}x-2$

Answer

$y=\frac{2}{3}x-2$

Answer

$y=-\frac{2}{3}x-2$

Answer

$y=-\frac{3}{2}x-2$

Question 19

Which equation models the graph?

Accepted Answer

$y=-\frac{3}{2}x-2$

Answer

$y=\frac{3}{2}x-2$

Answer

$y=\frac{2}{3}x-2$

Answer

$y=-\frac{2}{3}x-2$

Question 20

Which equation models the graph?

Accepted Answer

$y=\frac{2}{3}x-2$

Answer

$y=-\frac{3}{2}x-2$

Answer

$y=\frac{3}{2}x-2$

Answer

$y=-\frac{2}{3}x-2$

Question 21

Which equation models the graph?

Accepted Answer

$y=-\frac{2}{3}x-2$

Answer

$y=\frac{2}{3}x-2$

Answer

$y=-\frac{3}{2}x-2$

Answer

$y=\frac{3}{2}x-2$

Question 22

Which equation models the graph?

Accepted Answer

$y=-2$

Answer

$x=-2$

Answer

$x=0$

Answer

$y=0$

Question 23

Which equation models the graph?

Accepted Answer

$x=-2$

Answer

$y=-2$

Answer

$x=0$

Answer

$y=0$

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