Using the factoring method, solve for the roots of the quadratic equation.30x2 = -30x
A. x = - 1, x = 0
B. x = 0
C. x = - 1, x = 30
D. x = - 1
Answer: A
Mathematics
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Find the indicated coordinates.Point P has coordinates (-4, -6). Find the coordinates of Q so that the x-axis is the perpendicular bisector of the line segment joining P and Q.
A. (4, -6) B. (4, 6) C. (-4, 6) D. (-6, -4)
Mathematics
Establish the identity.
= cot 
What will be an ideal response?
Mathematics
Find the square root.-
A. 
B. -3
C. -81
D. not a real number
Mathematics
A women's clothing chain takes inventory of one brand of sweater. The sweaters come in 3 sizes: small, medium, and large, and 5 colors. The inventories at stores A, B, and C are represented by the matrices below. 
A = 
; B = 
; C = 
Show that A + B = B + A.
What will be an ideal response?
Mathematics