Find an equation for the parabola with vertex at the origin.Through (5, -10), opening downward
A. y = 
x2
B. y = - 
x2
C. x = - 
y2
D. y = - 
x2
Answer: B
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Simplify.8 + 4 ÷ 2 ? 3 - 7
A. 7 B. 11 C. 21 D. 29
In a circle of radius length 5, use an inequality of the form a< x< b to express possible lengths x for a chord.
What will be an ideal response?
Find the domain of the function and identify any vertical and horizontal asymptotes:
a. The domain is all real numbers x except . There is a vertical asymptote at x = –2 and a horizontal asymptote at y = 0. b. The domain is all real numbers x except . There is a vertical asymptote at x = –2 and a horizontal asymptote at y = . c. The domain is all real numbers x except . There is a vertical asymptote at x = –4 and a horizontal asymptote at y = 0. d. The domain is all real numbers x except . There is a vertical asymptote at x = –2 and no horizontal asymptote.
Find the root. Assume that variables represent nonnegative values.
A. 0.7r16s8 B. 0.7r8s4 C. 7r16s8 D. 7r8s4