Evaluate x2-5 when x=-4.
11
Name the property that states a+b=b+a.
Commutative Property
Combine like terms: 4x+7y-2x+3y.
2x+10y
Translate: "8 more than a number n".
Solve for x: x-9=-14.
x=-5
Evaluate 3a-2b when a=5 and b=-2.
19
Name the property that justifies 5(x+3)=5x+15.
Distributive Property
Expand and simplify: -3(2x-5).
-6x+15
Translate: "The product of 5 and a number x, decreased by 3".
5x-3
Solve for x: x/(-4)=6.
x=-24
Evaluate (x+y)2-z when x=-2, y=6, and z=10
6
Name the property that states (2*3)*4=2*(3*4).
Associative Property
Simplify fully: 5(x-2)-3(x+4).
2x-22
Translate: "7 less than twice a number k".
2k-7
Solve for x: 3x+8=-7.
x=-5
Evaluate (2a2+b)/(a-b) when a=-3 and b=2.
-4
Identify the property that justifies moving from 4x+7=19 to 4x=12.
Subtraction property of equality
Write a simplified expression for the perimeter of a rectangle with length (3x+1) and width (x+4).
8x+10
Translate into an equation: "Four times the difference of a number y and 2 is equal to 20".
4(y-2)=20
Solve for x: 12-5x=32.
x=-4
Simplify using order of operations: 42-2(3+5*2).
-10
Identify the property shown by x+0=x and x*1=x.
Identity Property
Simplify completely: 4-2(3x-1)+5x.
-x+6 or 6-x
A student ticket costs $5 less than an adult ticket a. Write a simplified expression for the total cost of 3 adult tickets and 4 student tickets.
3a+4(a-5)= 7a-20
Solve for x: (2/5)x-3=7.
x=25