Perform the indicated operation.
- 4
A. -7
B. -15
C. -8
D. -7
Answer: A
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Solve the problem.An architect needs to design a rectangular room with an area of 
. What dimensions should he use in order to minimize the perimeter?
A. 19.4 ft x 97 ft B. 9.85 ft x 9.85 ft C. 9.85 ft x 24.25 ft D. 24.25 ft x 24.25 ft
Evaluate the algebraic expression for the given value of the variable.
for x = 3
A. - 108 B. 12 C. - 12 D. 3
Write the English sentence as an equation in two variables. Then graph the equation.The y-value is two decreased by the square of the x-value.
A. y = 2 - x
B. y = x2 - 2
C. y = x - 2
D. y = 2 - x2
Solve.Recall that 
is the formula for the area of a square. If the area of a square is represented by 
how can the length of each side be represented?
A. 2x - 6 B. (2x - 6)2 C. 2x + 6 D. (2x + 6)2