Plot the ordered pair. State in which quadrant or on which axis the point lies.(-1, -4)
A. quadrant II
B. quadrant III
C. quadrant IV
D. quadrant III
Answer: B
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Find the volume of the described solid.The solid lies between planes perpendicular to the x-axis at 
and 
. The cross sections perpendicular to the x-axis between these planes are squares whose bases run from the semicircle 
to the semicircle 
.
A. 
B. 
C. 
D. 
Find the product.(6x + 4 + 7y)2
A. 36x2 + 48x + 84xy + 56y + 49y2 B. 36x2 + 24x + 16 + 42xy + 28y + 49y2 C. 36x2 + 84xy + 49y2 D. 36x2 + 48x + 16 + 84xy + 56y + 49y2
Write an equation in slope-intercept form of a line satisfying the set of conditions.m = - 
; y-intercept 
A. y = 
x - 
B. y = - 
x - 
C. y = 
x + 
D. y = - 
x + 
Solve the system of equations using the inverse of the coefficient matrix. 4x - 3y - z = 19x - 6y - 4z = -20 5x + y + z = 45
A. x = 8, y = 4, z = 1 B. x = 8, y = 1, z = 4 C. No solution D. x = -8, y = 4, z = 16