Answer the question.The binomial 4x2 + 16 is the sum of two squares that can be factored. Why is this possible?
What will be an ideal response?
4 is a factor of 16. The factor 4 can thus be taken out.
Mathematics
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Set up an integral for the length of the curve.y = 
, - 
? x ? 
A. 
B. 
C. 
D. 
Mathematics
Find the exact value of the expression.cot-1
A. 
B. 
C. 
D. 
Mathematics
Describe the graph of the polar equation.r2 = 42r cos ?
A. Circle of radius 21 and center (0, 21) B. Horizontal line passing through (0, 42) C. Circle of radius 21 and center (21, 0) D. Vertical line passing through (42, 0)
Mathematics
Find the x- and y-intercepts of f.f(x) = (x + 2)(x - 5)(x + 5)
A. x-intercepts: -2, -5, 5; y-intercept: 50 B. x-intercepts: -2, -5, 5; y-intercept: -50 C. x-intercepts: -5, 5, 2; y-intercept: -50 D. x-intercepts: -5, 5, 2; y-intercept: 50
Mathematics