Evaluate the expression.
A. 64
B. 7
C. 9
D. 8
Answer: D
Mathematics
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Simplify using order of operations.28 ÷ (-7) - 4 ÷ (-2)
A. -6 B. 6 C. 2 D. -2
Mathematics
Decide whether the equation defines y as a function of x.y = 3x - 3
A. function B. not a function
Mathematics
Find the first term and the common ratio of the geometric sequence.4, 
, 
, 
, . . .
A. a1 = 4, r = 
B. a1 = 4, r = 
C. a1 = 
, r = 
D. a1 = 
, r = 1
Mathematics
Fill in each blank with one of the words or phrases listed below. Some choices may be used more than once and some may not be used at all.
The graph of y = x2 is called a(n) 
.
A. parabola B. quadratic C. vertex D. square root
Mathematics