Question 1

Solve the equation: $\frac{ 1 }{ 3} x - 4 = -$5

Accepted Answer

-3

Answer

17

Answer

-12

Answer

5

Question 2

4(-3n+9)=14-5n-6

Accepted Answer

4

Answer

5

Answer

-8

Answer

19

Question 3

The number of gallons of gas used varies directly with the number of miles driven. If a car travels 110 miles using 5 gallons of gas, how far will it travel using 8 gallons of gas?

Accepted Answer

176 miles

Answer

192 miles

Answer

157 miles

Answer

211 miles

Question 4

The perimeter of a square varies directly as the side length. If a square has a side length of 8 feet, its perimeter is 32 feet. A square has a side length of 15 feet. Find its perimeter.

Accepted Answer

60 feet

Answer

42 feet

Answer

80 feet

Answer

75 feet

Question 5

Matrix A is a 2x2 matrix; Matrix B is a 2x3 matrix. Can the two matrices be multiplied together? If so, what are the dimensions of their product matrix?

Accepted Answer

Yes, 2x3

Answer

Yes, 2x2

Answer

Yes, 3x2

Answer

No

Question 6

Solve: $q - 2 \ge 2$ and $q - 2 \le$9

Accepted Answer

$4 \le$q$\le$11

Answer

$-4 \le$q$\le$2

Answer

$2 \le$q$\le$9

Answer

$0 \le$q$\le$7

Question 7

$4s - 3 \ge 5$ or $2s + 10$<2

Accepted Answer

$s$<-4 or s$\ge$2

Answer

$s$<4 or s$\ge$8

Answer

$s$>-4 or s$\ge$4

Answer

$s$<6 or s$\ge$10

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