8th Grade Math SOL Review

Two friends went out to dinner. The total bill was $38.90 before tax and tip. The tax rate was 5.5%. They wanted to tip 20% on the total before tax. Which expression could NOT be used to estimate the total cost including tax and tip?

• 40(1.26)

• 40(0.06) + 40(0.2)

• 40 + 40(0.2 + 0.06)

• 40 + 40(0.06) + 40(0.2)

The original price of a holiday decoration was $28. The price decreased to $0.60 after the holiday was over. Which is closest to the percent decrease in the holiday decoration price?

• 114%

• 98%

• 46%

• 27%

Which number has a value between -√9 and π?

• A. 13/4

• B. -18/6

• D. 3.2 × 10^-2

Which two angles are complementary?

• ∠M and ∠Q

• ∠N and ∠P

• ∠P and ∠Q

• ∠M and ∠N

Angle C and angle D are supplementary. The measure of angle D is 72°. What is the measure of angle C?

• 18°

• 72°

• 108°

• 162°

• 196 sq in.

• 65 sq in.

• 49 sq in.

• 14 sq in.

Trapezoid MNQP is graphed on the coordinate plane. Trapezoid MNQP will be translated 3 units to the left and 2 units down. Which of these best represents the coordinates of N?

• (0, 0)

• (1, -1)

• (0, 4)

• (6, 4)

Each model shown consists of three squares and a triangle. The areas of the squares are given in square centimeters. For which model could the Pythagorean Theorem be used to prove that the triangle is a right triangle? Note: Models are not drawn to scale.

• 36 cm², 64 cm², 196 cm²

• 9 cm², 12 cm², 15 cm²

• 10 cm², 35 cm², 45 cm²

• 12 cm², 16 cm², 20 cm²

What is the area of this figure?

• 30 cm²

• 54 cm²

• 59 cm²

• 74 cm²

Answer explanation

The area of the rectangle is 3x13= 39cm²

The area of the triangle is 1/2(7)(10)=35cm²

39+35=74cm²

• 0.14 cm²

• 0.23 cm²

• 0.28 cm²

• 0.49 cm²