Determine whether the ordered pair is a solution of the given equation.(-4, -6)x - y = 10
A. No
B. Yes
Answer: A
Mathematics
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Add and subtract as indicated.-20 - 17 + (-6)
A. -9 B. -43 C. 3 D. -3
Mathematics
Rotate the axes so that the new equation contains no xy-term. Discuss the new equation.x2 + 2xy + y2 - 8x + 8y = 0
A. ? = 36.9°
+ 
= 1
ellipse
center (0, 0)
major axis is x'-axis
vertices at (±2, 0)
B. ? = 36.9°
+ 
= 1
ellipse
center (0, 0)
major axis is x'-axis
vertices at (±2, 0)
C. ? = 45°
x'2 = -4
y'
parabola
vertex at (0, 0)
focus at (0, -
)
D. ? = 45°
y'2 = -4
x'
parabola
vertex at (0, 0)
focus at (-
, 0)
Mathematics
Find the area.
A. 12.5 cm2
B. 20 cm2
C.
| 25 cm2 |
D. 10 cm2
Mathematics
The function f is one-to-one. Find its inverse.f(x) = (x + 3)3
A. f-1(x) = 
- 27
B. f-1(x) = 
- 3
C. f-1(x) = 
+ 3
D. f-1(x) = 
- 3
Mathematics