Factor when possible.3y3 - 6y2 - 45y
A. (y - 3)(3y2 + 15)
B. (3y2 + 9y)(y - 5)
C. 3y(y + 3)(y - 5)
D. 3y(y - 3)(y + 5)
Answer: C
Mathematics
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Identify the vertex of the quadratic equation.f(x) = -4x2
A. (0, -4) B. (4, 0) C. (-4, 0) D. (0, 0)
Mathematics
Find an equation of the line satisfying the given conditions. Write the equation in standard form.Through (-3, -9); slope 4
A. x + 4y = -3 B. -4x + y = 3 C. x - 4y = 3 D. 4x - y = 3
Mathematics
Solve the formula for the specified variable.a + b = s + r for r
A. r = s(a + b)
B. r = 
C. r = 
+ b
D. r = a + b - s
Mathematics
Solve the equation.
+ 
= 4
A. {2, -2}
B. {0}
C. {-2}
D. {
, -2}
Mathematics