Provide an appropriate response.Explain the error in the following: x2 + 2x - 15 = (x - 5)(x + 3).
What will be an ideal response?
The factorization yields a middle term of -2x rather than 2x. The correct factorization is 
Mathematics
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Find the decimal equivalent of the fraction.
A. 1.525 B. 1.625 C. 1.65 D. 1.55
Mathematics
Find possible value(s) of ? in the interval [0°, 360°) with the given trigonometric function value.cos ? = 
A. 60°; 300° B. 60°; 120° C. 150°; 210° D. 210°; 330°
Mathematics
Which of the following figures is mapped onto itself by a 90 deg rotation around the point of intersection of its diagonals?
(a) a rhombus. (b) a rectangle. (c) A parallelogram. (d) A pentagon. (e) None of these is correct.
Mathematics
Add or subtract, as indicated, and simplify the result.
- 
A. 
B. 
C. 
D. 
Mathematics