Use the quadratic formula to solve the quadratic equation.2x2 + 10x = -4
A. x = 
B. x = 
C. x = 
D. x = 
Answer: D
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Solve the problem.Matt bought a 48 oz can of fuel additive for $90.24. Roger bought the 40 oz size for $55.20. Who made the better buy? What was the lowest price per ounce?
A. Matt, $1.88 B. Matt, $1.38 C. Roger, $1.38 D. Roger, $1.88
Provide an appropriate response.In right triangle ABC with right angle C, find the indicated part. Round to four significant digits. Find c if B = 60° and b = 12 cm.
Fill in the blank(s) with the appropriate word(s).
Solve the problem.The perimeter of a rectangle is 28 cm. The length is 10 cm longer than the width. What are the length and width of the rectangle?
A. Length: 14 cm; width: 4 cm B. Length: 19 cm; width: 9 cm C. Length: 10 cm; width: 2 cm D. Length: 12 cm; width: 2 cm
Divide and simplify. Assume variables do not cause any denominators to equal 0.
÷ 
A. 
B. 
C. 
D. 