Solve by substitution and check.x + y = 9 y = 2x + 3
A. (7, 2)
B. (2, 7)
C. (3, 6)
D. (1, 9)
Answer: B
Mathematics
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Find the zeros of the polynomial function and state the multiplicity of each.f(x) = (x2 + 11x + 30)2
A. -
, multiplicity 4
B. 6, multiplicity 2; 5, multiplicity 2
C. -5, multiplicity 2; -6, multiplicity 2
D. 
, multiplicity 2; -
, multiplicity 2
Mathematics
Factor completely.x3 - 216
A. (x - 6)(x2 + 36) B. (x - 6)(x2 + 6x + 36) C. (x + 6)(x2 - 6x + 36) D. (x + 216)(x2 - 1)
Mathematics
Rewrite the expression as a single trigonometric function using a double-angle identity.cos24? - sin24?
A. 2 sin 4?
B. cos 8?
C. 
sin 16?
D. cos 4?
Mathematics
Graph the ellipse, centered at the origin, satisfying the conditions.Eccentricity 
, vertices (±4, 0)
A. 
B. 
C. 
D. 
Mathematics