Use the distance formula and the Pythagorean theorem to determine whether the set of points could be vertices of a right triangle.(-4, 1), (-2, 5), (0, 4)
A. Yes
B. No
Answer: A
Mathematics
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Complete the operation and simplify if necessary.
?
?
A.
B.
C.
D.
E.
Mathematics
Graph the function on a grapher. Then use the grapher to find the x- and y-intercepts. Round to the nearest hundredth if necessary.f(x) = 0.68x2 + 1.57x + 15.76
A. No x-intercepts, (0, 15.76) B. (15.76, 0), no y-intercepts C. (3.80, 0), (-6.11, 0), (0, 15.76) D. (3.80, 0), (0, 15.76)
Mathematics
Multiply. 
A. 1 B. 8 C. 7 D. 14
Mathematics
Determine which value(s), if any, must be excluded from the domain of the variable in the expression.
A. x = -36
B. x = 0, x = - 
C. x = -6
D. none
Mathematics