Simplify
3x - 5x
-2x
Evaluate
(6)(-3) + (36/4)
-9
Convert to a decimal
1/2
0.5
Which number is greater?
-2 or 1
1
True or False
3 + (4 + 5)= (3 + 4) + 5
True
commutative property
Is this an expression or an equation?
11x - 5 = 17
equation
3 + 42 - (6-5)
18
Convert to a percent
4/5
80%
True or False?
27 < -28
False
True or False?
3 - (5 - 6) = (3 - 5) - 6
False
3 - (5 - 6) = (3 - 5) - 6
3 - (-1) = (-2) - 6
3 + 1 = -2 + -6
4 = -4
3y - 2x + (-4y) + x2
-1y - 2x + x2
-3 + [ 5 (6-2)]
17
Convert to a decimal
45.5%
.455
Evaluate
-3(4-2) + 12
6
True or False
3( m - 9) = 3m - 27
True
3v + w + 8 - 2v + 2
v + w + 6
Evaluate
3 - 42 (5-3) + 4
-25
The battery in Sal's cell phone is 1/8 full. Write this as a percent.
12.5%
Which is greater?
-43 or -42
-42
Simplify
-5 ( -6 - 4x )
30+ 20x or 30 - (-20x)
5n2 + 4n - 6n2 + 2n - 10
-1n2 + 6n - 10
10 + 24/4 x 2 + 32
31
At soccer practice, Janey made 15 out of 20 penalty kicks. What percentage of penalty kicks did Janey make?
75%
(-25/5) - (4)(-3)
7
Simplify
-2 ( -3x + 4y)
6x + (-8y) or 6x - 8y