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100
What are inverse operations? Give the two pairs.
Operations that undo one another. Addition and Subtraction. Multiplication and Division
100
Page 5, problem number 2
g=0.8
100
Page 12, problem number 1
z = -2
100
Page 12, problem number 3
n = -0.5 or n = -1/2
100
Page 13, problem number 4
x = -1.5 or x = -3/2
200
What is the Distributive Property?
The Distributive Property lets you multiply a sum by multiplying each addend separately and then add the products.
200
Page 5, problem number 5
t = -1/2
200
Page 12, problem number 2
x = -32
200
Page 17, problem number 9
x = 60; 65, 60, and 55 degrees
200
Page 14, problem number 10
v = 2
300
What is a reciprocal?
The multiplicative inverse of a number that when multiplied by that number equals 1. Exchange the numerator and denominator to create the reciprocal.
300
Page 5, problem number 7
y = -28
300
Page 14, problem number 7
c = 0.5 or c = 1/2
300
Page 14, problem number 8
x = -2
300
Page 14, problem number 11
x = -2/9
400
What are like terms?
Terms that contain the same variable raised to the same exponent. In an expression, only like terms can be combined (using addition or subtraction). We combine like terms to shorten and simplify algebraic expressions, so we can work with them more easily.
400
Page number 7, problem number 12
w = 10pi
400
Page 14, problem number 6
x = 3
400
Page 14, problem number 9
h = -9
400
Page 15, problem number 15
b = 3 inches
500
What are the four properties of equality and how are they defined?
Addition Property of Equality, Subtraction Property of Equality, Multiplication Property of Equality, and Division Property of Equality. Adding, subtracting, multiplying, or dividing each side of an equation by the same number produces an equivalent equation.
500
Page 8, problem number 23
k = 5/3
500
Page 17, problem number 6
z = 16
500
Page 13, problem number 6
x = 93
500
Page 17, problem number 8
t = 8