Factor by grouping.r3 + 4 + r2 + 4r
A. (r + 4)(r2 + 4)
B. (r + 4)(r2 + 1)
C. (r - 4)(r2 + 1)
D. (r + 1)(r2 + 4)
Answer: D
Mathematics
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A. Valid B. Invalid
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Find the axis of symmetry of the quadratic function.f(x) = -(x + 5)2 + 7
A. x = 5 B. x = 7 C. x = -5 D. x = -7
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Select the graph of the function and determine whether it is even, odd, or neither. ? f(x) = |x + 6| ?
A. ?
Even
B. ?
Odd
C. ?
Neither
D. ?
Odd
E. ?
Even
Mathematics
Round to the indicated place value.1.723 nearest hundredth
A. 1.73 B. 1.72 C. 1.7 D. 1.71
Mathematics