Factor completely.-80y2 - 36y - 4
A. (5y + 1)(-16y - 4)
B. (-20y - 4)(4y + 1)
C. -4(5y - 1)(4y - 1)
D. -4(5y + 1)(4y + 1)
Answer: D
Mathematics
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Simplify the expression. Assume that all variables are positive when they appear.4
+ 4
A. 4
B. 6
C. 24
D. 24x
Mathematics
Factor completely. If the polynomial is prime, state this.4x3 + 12x2y - 40xy2
A. 4x(x - 2y)(x + 5y) B. (x - 2y)(4x2 + 20xy) C. 4x(x + 2y)(x - 5y) D. (4x2 + 8xy)(x - 5y)
Mathematics
Factor out the negative GCF from the polynomial. If the GCF is 1, factor out -1.-2m2 - 5
A. -1(2m2 + 5) B. -1(-2m2 + 5) C. -1(-2m2 - 5) D. -1(2m2 - 5)
Mathematics
Solve by the addition method.x2 + y2 = 81x2 - y2 = 81
A. (9, 0), (-9, 0) B. (9, 0), (9, 9) C. (9, 9), (-9, 9) D. No solution
Mathematics