Order of Operations
2(3 + 1) - 12
-4
Simplify
3(8x - 1)
24x - 3
Select all expressions equivalent to 8x - 40.
A. 8(x – 5)
B. 2(4x – 40)
C. 2(4x – 20)
D. 4(2x + 10)
A & C
Enter the value of b when the expression -12x + b is equivalent to 3(-4x + 5).
b = _____
b = 15
4.7 x (-8 + 4)
-18.8
Simplify
-7(2x - 3)
-14x + 21
Which expression is equivalent to 5(x + 1) - 7 ?
A. 5x - 12
B. 5x + 2
C. 5x + 12
D. 5x - 2
D
Enter the value of p so that the expression 2(8 + n) is equivalent to 2(n + p).
p = _____
p = 8
Brayden's work finding the value of the expression 10 + 2.5(3 + -5) is shown below. Explain what he did wrong.
Problem: 10 + 2.5(3 + -5)
Step 1: 12.5(3 + -5)
Step 2: 12.5(-2)
Answer: -25
Step 1 he did GEMDAS incorrectly. Added first/ solved left to right.
Simplify
6x - 5 + 7 - 4x + 5
2x + 7
Are the given expressions equivalent to -4(-2 + x)
(Make Yes/No Table)
8 - 4x
-4x + 8
-4x - 8
-4x + 6
A & B
Determine the value of n so that the expression (6y + 4) + (3y + 10) is equivalent to (ny + 14).
n = _____
n = 9
(-2 - 4)^2/((5-3))
18
Simplify
12 - 2y - 3 - 4y + y
-5y + 9
Select all expressions that are equivalent to 4x + 2x + 9 - 3x - 4.
A. 3x + 13
B. 3x + 5
C. 6x - 3x + 5
D. 6x - 3x + 13
B & C
Enter the value of p so that the expression 12 + 6n is equivalent to p(3 + 1.5n).
p = _____
p = 4
Identify all expressions equivalent to
2/3 times 6 divide 2 - 1
A. 1/4
B. 2/3 times 2
C. 5 divide 5
D. 4 divide 2 - 1
C & D
Simplify
1/2(18x + 6) - 5x + 12
4x + 15
Select the expression equivalent to (-4x + 7.4y) - (-8x + 2.9y).
A. 4x + 4.5y
B. -12x + 4.5y
C. 4x + 10.3y
D. -12x + 10.3y
A
Determine the value of n so that the expression (10y - 2) - (-y - 8) is equivalent to (ny + 6).
n = _____
n = 11
7 + 9 x -23 - 20 + (-7)
-92
Simplify
-4(-x + 3) - 7x - 6
-3x - 18
Select the expression equivalent to (-5x + 1/2y) - (-2x + 3.6y).
A. -3x + 4.1y
B. -3x - 4.1y
C. -7x - 3.1y
D. -3x - 3.1y
D
Enter the value of p so that the expression 5n + 15n2 is equivalent to p(3n + 1).
p = _____
p = 5n