Use the quadratic formula to solve the equation.z2 + 10z + 3 = 0
A. -5 ± 
B. 5 ± 
C. -10 + 
D. 5 + 
Answer: A
Mathematics
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Graph the inverse of the function plotted, on the same set of axes. Use a dashed curve for the inverse.
A. 
B. 
C. 
D. 
Mathematics
Find the area of the specified region.Inside one loop of the lemniscate r2 = 7 cos 2?
A. 14
B. 7
C. 
D. 
Mathematics
Solve the equation by completing the square.a2 - 4a - 21 = 0
A. 
, - 
B. -18, -3
C. 7, -3
D. -7, 3
Mathematics
Solve the problem.A box of instant brownies has the list of ingredients shown in the table. Use this information to find the amount of the stated ingredient you would need to make the indicated number of servings.
Water3 tablespoonsOil
cupNuts
cupBrownie Mix2
cupsAmount of water for 10 servings
A. 
ounces
B. 2
tablespoons
C. 3
tablespoons
D. 
cups
Mathematics