Solve by trial.y ? 4 = 0
A. 4
B. 3
C. 5
D. 0
Answer: D
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Evaluate the function.Find f(-4) when f(x) = 5x2 + 5x - 7.
A. 67 B. 93 C. -11 D. 53
Solve the problem.The graph shows the hours studied and the exam grades obtained on a finite math exam for 8 students. (The two points on the line do not represent any of the eight students.) The line of best fit, the line graphed on the coordinate system, can be used to approximate the test grade the average student receives for the number of hours they study. 
Find the equation of the line of best fit. Then use the equation to estimate the number of hours studied by a student who received a grade of 78 . Round to two decimal places.
A. 4.71 hr B. 4.24 hr C. 2.23 hr D. 3.21 hr
Use a table of square roots or a calculator to approximate to the nearest thousandth.
A. 5.289 B. 5.292 C. 28.000 D. 5.297
Write the fraction in decimal notation.
A. 0.115 B. 0.015 C. 0.215 D. 0.125