Evaluate
Evaluate 2yx + 3 - 8 when y=2 and x = -2
-13
15t-10-(-7r)+5r+3
15t+12r-7
Factor completely, if it can be factored.
120x-15
15(8x-1)
Find the sum or difference
(3qu-8ft+13q)-(21qu+4q-ft)
-18qu-7ft+9q
Find the GCF of: 9knw and 6kx
3k
Evaluate when b = 1/8
64b-b(7+9)
6
Combine like terms
5h+(-3j)-(-13h)+4j
18h+j
Factor completely, if it can be factored.
56xyc+35ycb
7yc(8x+5b)
Find the sum or difference
(4x-10y+3)+(-6-13x+3y)
-9x-7y-3
In the expression 5j+7x-8+7y , identify the coefficients and constants
coefficients: 5 , 7 , 7
constant: -8
Evaluate when x = 7 and y = -5
5y-2x+6x
3
Combine like terms
-7x(3-4y)-10xy
-21x+18xy
Factor completely, if it can be factored.
17z-283zy
z(17-283y)
Find the sum or difference
(5x+9p-6)+(8p-9+4x)
9x+17p-15
Is the following conjecture true or false? If false, write a counterexample. If true, prove it!
Subtraction of integers is commutative
False
Counterexample: 10 - (-7) = 17 but (-7) - 10 = -17
17 is not equal to -17
Evaluate when c = 2 , s = 3 , b = 6
-7c^2+14s+b
20
Combine Like Terms
4(2x+7)+2(x+5)
10x+38
Factor completely, if it can be factored.
60z-24w+12x-36y+84wz
12(5z-2w+x-3y+7wz)
Find the sum or difference
4(2-14x-5r)-(8+3x-20r)
-59x
Write an algebraic expression for:
"6 more than the product of v and 8.5"
8.5v+6
Evaluate
(a-b)^2+b^3
a=2,b=-1/3
5 11/27
Combine Like Terms
6(-4y+3)-5(3y-8)
-39y+58
Factor completely, if it can be factored.
7x^2+21x^2y+42x
7x(x+3xy+6)
Find the sum or difference
2(4x-3)+5(-2x+3)
-2x+9
Distribute and simplify
7x(8y+2yz-3y)
35xy+14xyz