Find the sum without the use of a number line.5 + (-6)
A. 1
B. 11
C. -11
D. -1
Answer: D
Mathematics
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Add or subtract, if possible. Assume that all variables represent non-negative values. Simplify your answer. 5
+ 3
A. 24
B. 15
C. 8
D. 8
Mathematics
Find the absolute value.|-19|
A. 19 B. 38 C. -19 D. 0
Mathematics
Express the function in the form f(x) = a(x - h)2 + k and indicate the vertex.f(x) = -x2 - 6x - 3
A. f(x) = -(x - 3)2 - 30 vertex: (3, -30) B. f(x) = -(x + 6)2 - 3 vertex: (-6, -3) C. f(x) = -(x - 3)2 - 12 vertex: (3, -12) D. f(x) = -(x + 3)2 + 6 vertex: (-3, 6)
Mathematics
Simplify. Assume all variables are non-negative real numbers.
A. 21
B. 7
C. 3
D. 7
Mathematics