Solve the equation by using the square root property. Simplify all radicals.8z2 + 5 = 1357
A. {-13, 13}
B. {678.5}
C. {-14, 14}
D. {13}
Answer: A
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Factor by grouping.72 - 9t - 8p + tp
A. (8 - t)(9 + p) B. (8 + t)(9 - p) C. (8 - t)(9 - p) D. (8 + t)(9 + p)
Solve the problem.A holder of a $9000, 7%, 210-day note dated June 8 decides to sell the note at a discount based on ordinary interest. The note is sold on July 18 at a discount of 12% using the banker's rule. Find the proceeds.
A. $8836.68 B. $8770.64 C. $8833.55 D. $9057.85
Write the statement using symbols.Three times the difference of x and 8 is -10.
A. 3x - 8 = -10 B. 3 - x - 8 = -10 C. 3 + x - 8 = -10 D. 3(x - 8) = -10
Rotate the axes so that the new equation contains no xy-term. Discuss the new equation.xy +16 = 0
A. ? = 45°
- 
= 1
hyperbola
center at (0, 0)
transverse axis is y'-axis
vertices at (0, ±4
)
B. ? = 45°
+ 
= 1
ellipse
center at (0, 0)
major axis is y'-axis
vertices at (0, ±4
)
C. ? = 36.9°
+ 
= 1
ellipse
center at (0, 0)
major axis is the x'-axis
vertices at (±2, 0)
D. ? = 45°
y'2 = -32x'
parabola
vertex at (0, 0)
focus at (-8, 0)