# Write the standard number 38,440 in scientific notation. A. 3.844 × 10 6 B. 38.44 × 10 3 C. 3.844 × 10 4 D. 3.844 × 10 3 1.

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Write the standard number 38,440 in scientific notation. A. 3.844 × 10 6 B. 38.44 × 10 3 C. 3.844 × 10 4 D. 3.844 × 10 3 1

Evaluate the following expression when n = -6. 5|n + 10| A. 20 B. 80 C. -20 D. 9 2

Simplify: 8 × 4 - 5 2 11 + 5 × 3 A. 7 / 48 B. 57 / 26 C. 7 / 26 D. -1 / 26 3

The length of the side of a square is 45 units. What is the area of the square? A. 180 units squared B. 90 units C. 2025 units squared D. 180 units 4

Which inequality is graphed on the number line? 3 4 5 A. x < -4 B. x < -4 C. x > -4 D. x > -4 5

Describe the solution to the system of equations below. 4x - y = 8 16x - 4y = 32 A. The system has no solution. B. The system has the unique solution (-6, -32). C. The system has the unique solution (4, 8). D. The system has infinitely many solutions of the form y = 4x - 8 where x is any real number. 6

Simplify: (5mn) 2 x (5mn) 4 A. 5 6 m 6 n 6 B. 5 6 m 7 n 7 C. 5 8 m 8 n 8 D. 5 8 m 7 n 7 7

The cube above has a volume of 188.13 cubic units. Which of the following is the cube's length? A. 2.865 units B. 17.19 units C. 11.46 units D. 5.73 units 8

The inside rail of a running track consists of a rectangle with a semicircle at each end as shown in the figure below. Find the approximate area surrounded by the track rail. A. 2456 m 2 B. 1200 m 2 C. 1514 m 2 D. 160 m 2 9

Simplify: A. 1 B. m 4 C. m D. m -14 10

Which of the following equations fit this graph? A. y = -3x 2 + 6x + 9 B. y = -x 2 + 9 C. y = x 2 - 9 D. y = x 2 + 6x + 9 11

Determine the slope of the line above. A. 2 B. 1 / 4 C. 4 D. -1 / 4 12

Which inequality is graphed on the coordinate plane? A. y < 2x B. y > 2x C. y < 2x D. y > 2x 13

In the figure above, the angle ABC is A. 55° B. 125° C. 135° D. 65° 14

Write the standard number 0.0009381 in scientific notation. A. 93.81 × 10 -5 B. 9.381 × 10 -2 C. 93.81 × 10 -4 D. 9.381 × 10 -4 15

Which of the following equations is graphed above? A. y = x 3 B. y = |x| C. y = x 2 D. y = x 16

Which of the following graphs matches the table above? 17 A.B. C.D. x-404 y234

The circumference of a circle equals 62.8 units. What is the circle's diameter? (Let = 3.14.) A. 30 units B. 20 units C. 5 units D. 10 units 18

The perimeter of a rectangle equals 294 units, and its length equals 91 units. What is the width of the rectangle? A. 56 units B. 28 units C. 112 units D. 203 units 19

The area of a triangle equals 160 square units, and its base equals 16 units. What is the triangle's height? A. 60 units B. 40 units C. 20 units D. 10 units 20

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