STAAR Review week 2

1. Roxanne has $3000 that she plans to invest into an account that earns 7% simple interest. Assuming she makes no additional deposits or withdrawals, how much interest will Roxanne earn after 15 years?

A) $6150
B) $3150
C) $5277.09
D) $150

2. Derrick wants to calculate the interest he would earn from investing $400 into an account that earns 5.5% annual compound interest for 60 months. How much interest will Derrick earn?

A) $122.78
B) $522,73
C) $9535.91
D) $9935.91

3. Cynthia received money for her birthday. She invested it in a savings account that earns 6% interest compounded annually. After 10 years her account balance was $1628.89, how much money did she receive for her birthday?

A) $909.56
B) $950.56
C) $1050.56
D) $925.56

A) 1180 in²
B) 2600 in²
C) 720 in²
D) 920 in²

A) 17.5 cm²
B) 109.96 cm²
C) 137.44 cm²
D) 149.23 cm²

A) 150.8 u³
B) 904.78 u³
C) 25.13 u³
D) 508.94 u³

7. A cylinder has a volume of 288 pi cubic feet. The radius of the cylinder is 6 feet. What is the height of the cylinder?

A) 16 feet
B) 4 feet
C) 8 feet
D) 48 feet

A) 10 ft ³
B) 5.24 ft³
C) 31.4 ft ³
D) 20.94 ft³

A) 942.48 in³
B) 2513.27 in³
C) 9424.78 in³
D) 1884.96 in³

10. Write the equation for the line that passes through the points (-4, -1) and (-2, -5). in slope intercept form. Is the function proportional or non-proportional?

A) y=-2x - 9;non-proportional
B) y=-x - 6;non-proportional
C) y=-x - 6; proportional
D) y=-2x - 9;proportional

11. The width of a rectangle is 4 feet, and the diagonal length of the rectangle is 13 feet. Which measurement is closest to the length of this rectangle in feet?

A) 12.4 ft
B) 9 ft
C) 13.6 ft
D) 17 ft

12. The coordinates of the endpoints of QR are Q(8,2) and R(5,7). Which measurement is closest to the length of QR in units?

A) 4 units
B) 3.9 units
C) 5 units
D) 5.8 units

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