Solve the equation.r(r - 4) = -4
A. {2, -2}
B. {2}
C. {4, 2}
D. {-2}
Answer: B
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Match the equation to the correct graph.y = 
(x - 5)2 + 6
A. 
B. 
C. 
D. 
Solve the variation problem.The distance that an object falls when it is dropped is directly proportional to the square of the amount of time since it was dropped. An object falls 128 feet in 2 seconds. Find the distance the object falls in 
A. 6 feet B. 288 feet C. 96 feet D. 192 feet
Express in scientific notation.0.000001315
A. 1.315 × 106 B. 1.315 × 10-7 C. 1.315 × 10-5 D. 1.315 × 10-6
Use the circle graph to solve the problem. Give your answer as a fraction, decimal, and as a percent.The circle graph below shows the majors for 120 college students at Blackwood Community College. What portion of the students are majoring in humanities? Round the decimal to thousandths and the percent to hundredths.
A. 
; 0.25; 25%
B. 
; 0.333; 33.33%
C. 
; 0.333; 3.33%
D. 
; 0.25; 2.5%