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Grade:
7
, Subject:
Math
, Topic:
Variables and Algebraic Expressions
Question 1:
Evaluate 4y + 12 for y = 3.
12
19
24
28
Question 2:
y
^{3}
+ 3y for y = 7.
343
346
245
364
Question 3:
Write as an algebraic expression.
The square of a number
d
decreased by 13.
d
^{4}
− 13
2d
^{2}
− 13
d
^{2}
− 13
d − 13
Question 4:
Write the following statement as an variable expression.
The number of pints in
g
gallons.
4g
8g
Question 5:
Evaluate the following algebraic expression for a = 2 and b = 3.
9b
^{3}
+ a − 6ab
209
245
207
−7
Question 6:
Evaluate:
a
^{3}
+ 4
a
for
a
= 4
64
80
48
60
Question 7:
Write as an algebraic expression.
The product of y and z, increased by 5.
5z + 5
yz + 5
5yz + y
5y + z
Question 8:
Write as an algebraic expression.
Seven more than three times a number.
3n − 7
7n + 3
3n + 3
3n + 7
Question 9:
Write as an algebraic expression.
Jennifer is n years old. In 9 years she will be 22.
9 + 22 = n
22 + n = 9
n + 9 = 22
22 ÷ n = 9
Question 10:
Evaluate the following expression for y = 6 and b = 3.
12 +
+ 5b
41
27
40
26
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