Equations
Equivalent Expressions
Distributive Property
Exponents
Take a Chance
100
Find the missing value of the variable:
x + 3 = 7
x = 4
100
Are 3x + 1 and 2x + 2 equivalent expressions? Explain your thinking.
They are not equivalent expressions because they will not always give the same result for every value of the variable.
100
Use the distributive property to simplify:
3(2x + 4)
6x + 12
100
Evaluate 32.
9
100
Which question is a statistical question?
a. How tall is the oak tree?
b. How much did the tree grow in one year?
c. What are the heights of the oak trees in the schoolyard?
d. What is the difference in height between the oak tree and the pine tree?
c. What are the heights of the oak trees in the schoolyard?
200
Find the missing value of the variable:
4w = 48
w = 12
200
Are x and 1x equivalent expressions?
Yes they are equivalent expressions because they give the same result for every value of the variable.
200
Use the distributive property to simplify:
4(5x - 1)
20x - 4
200
Evaluate 34 - 43.
17
200
Find the area of the rectangle.
35 cm2
300
Find the missing value of the variable:
w/6 = 12
w = 72
300
Are x + x + x and 3x equivalent expressions?
They are equivalent expressions because they give the same result for every value of the variable.
300
Use the distributive property to simplify:
4(2x-6)
8x-24
300
Evaluate 6x3 if x = 3.
162
300
The number of passed students in the different sections of a college course are 45, 36, 52, 55, 47, and 39.
Find the median number of students that passed.
46
400
Find the missing value of the variable:
15y = 165
y = 11
400
Are 4x and 4x equivalent expressions?
They are not equivalent expressions because they do not give the same result for every value of the variable.
400
Factor this expression:
7(2-x)
14-7x
400
Evaluate
2w + w(w)
if w =4.
24
400
Find the area of the figure.
27 in2
500
x2 = 64
x = 8
500
Are x3 and (x)(x)(x) equivalent expressions?
They are equivalent expressions because they give the same result for every value of the variable.
500
Factor this expression:
27(x + 3)
27x + 81
500
Evaluate
12/r - 1.5
r=2
.
4.5
500
The point (−2,4) is plotted on the coordinate plane.
The point is reflected across the y-axis. What are the coordinates of the reflected point?
(2,4)