Evaluating Algebraic Expressions
Evaluate for k=-3
k^4-7k^2
18
-8d-10c+17c+d-4c
3c-7d
Factor the GCF out of the following expression:
3x-21
3(x-7)
(3x-8x^2)+(2x^2-3x)
-6x^2
Evaluate for a=-4 and b=-5
a^2-7ab+b^2
-99
-4(n-1)-5n
-9n+4
Factor the GCF out of the following expression:
12m-8
4(3m-2)
(3x-11)-(11x-6)
-8x-5
Evaluate for x=-5 and y=-3
(12xy)/(x-y)
-90
-3k-2(8k+7)+16
-19k+2
Factor the GCF out of the following expression:
16x-44
4(4x-11)
(11-8p-8p^2)+(p-3p^2-25)
-11p^2-7p-14
Evaluate for a=-4 and b=7
5/2a^3-ab
-132
7(5a-9)-4(8a-7)
3a-35
Factor the GCF out of the following expression:
8n+36
4(2n+9)
(3x+x^2-4)-(8+4x^2+2x)
-3x^2+x-12
Evaluate for x=-8 and y=-2
(x^2+xy)/(3x-2y)
-4
-16-(8k+17)+3k
-5k-33
Factor the GCF out of the following expression:
8x-14y
2(4x-7y)
(-5-6y-3y^2)-(5y-4y^2-2)
y^2-11y-3