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 = -4y'
parabola
vertex at (0, 0)
focus at (0, -)
D. ? = 45°
y'2 = -4x'
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