Vocab
Identify the variables in the following algebraic expression: 7x + 2y - 2.3 + 9a
x, y, and a
Write an algebraic expression to model the following situation: 12 more than x
x + 12 or 12 + x
Simplify the following expression: v + v + 5 - 2 + 3v
5v + 3
Evaluate the following expression if x=2:
3x - 16
3(2)-16
6-16
-10
Write the expressions in standard form.
Are the following expressions equivalent?
2+7n and 3n+2+4n
7n+2 and 7n+2
Yes
Identify the coefficients in the following algebraic expression: 9p + 2y - 1
9 and 2
Jim is j years old. Alex is 4 years younger than Jim. Write an expression to indicate how old is Alex in terms of j?
j-4
Simplify the following expression: 4k + 3j + 6 + k + 8j
5k+11j+6
Evaluate the following expression if z=12:
4 + 1/2z
4 + 1/2z
4 + 1/2(12)
4 + 6
10
Distribute:
12(2x + 3)
12(2x + 3)
24x +36
Identify the constant term in the following algebraic expression: 2d + 9 + 12t
9
Write an algebraic expression to model the following situation: 17 less than the quotient of k and 4
(k/4) - 17
Simplify the following expression: 4(d-3f)+14f
4d+2f
Evaluate the following expression if r=6:
16 - r - 4
16 - 6 - 4=
10 - 4 = 6
Which property of operations is the following an example of?
y + 0 = y
A. Commutative Property of Addition
B. Identity Property of Addition
C. Associative Property of Addition
B. Identity Property of Addition
What are the like terms in the following?
9j + 4k - 7 + 2k - 7j
9j and -7j
4k and 2k
Write an algebraic expression to model the following situation: 6 less than the product of 8 and k
8k - 6
Simplify the following expression: 3 + 8p + 3r - 4p + 6p + 1 - r
10p+2r+4
Evaluate the following expression if x=3:
(24+ x) - (9x-3)
(24 + x) - (9x - 3)
(24+ 3) - (9(3) - 3)
27 - (27 - 3)
27 - 24 = 3
Write the following in standard form:
3 x 3 x 3 x 3 x 3
243
Is the following written in expanded form or exponent form?
5 x 5 x 5 x 5 x 5
Expanded form
Write an algebraic expression to model the following situation: The product of 3 and the difference of k and 2.
3(k-2)
Simplify the following expression: 17 + 15x - 10 - 12x
3x+7
Evaluate the following expression if y=7, s=2
21y + 2y + 3s
21(7) + 2(7) + 3(2) =
147 + 14 + 6
167
Simplify:
(20 - 2) + 10 to the second power
(20 - 2) + 10 to the second power
18 + 100
118