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Verbal Expressions
Algebra Properties
Substitution
Simplifying
Relations & Functions
100
The sum of the cube of a number and 12
n^3+12
100
Name the property: -5 (1) = -5
Multiplicative Identity
100
Evaluate if x=3, y=5, z=4 xyz - x^2
51
100
Simplify (if possible): 15w - 6w + 14w^2
9w + 14w^3
100
The more you study, the higher your test grade will be. Identify the independent and dependent variables.
Indep: time spent studying Depen: test grade
200
42 decreased by twice some number
What is 42-2n
200
Name the property: x + y + 3x = x + 3x + y
Commutative Property
200
Find the solution of 3x-8=16 if the replacement set is {5, 6, 7, 8, 9}
8
200
Simplify: 7(2y + 1) + 3y
Simplified: 17y + 7
200
"Time" as a variable is always independent or dependent? Is it graphed as the x-value or y-value?
Independent X-value
300
A verbal expression for 5n^3+9
5 times a number cubed plus 9 OTHER ANSWERS POSSIBLE
300
Name the property: 5 + 0 = 5
Additive identity
300
Evaluate the expression if w=4, n=8, v=5, and t=2 3nw - w^2 + t^3
88
300
Rewrite 2(x + 3y -2z) using the Distributive Property. Then simplify.
(2)(x) + (2)(3y)-(2)(2z); 2x+6y-4z
300
Is a function's "input" the independent or dependent variable?
independent variable
400
a number multiplied by the sum of 5 and 9
n(5+9)
400
Name the property: 18 x n = 18
Multiplicative identity
400
Evaluate the expression if w=4, n=8, v=5, and t=2 w^2+n(v^2-t)
16 + 8(25-2) 200
400
Simplify 3(2x + 4y - y)
6x + 9y
400
a) Name 5 ways you can depict a function. b) For each depiction, explain how to determine if a relation is a function.
1) Table: function has no repeating x-values 2) Ordered pairs: function has no repeating x-values 3) Mapping: function has no repeating x-values (only 1 arrow originates from each x-value) 4) Graph: vertical line test 5) Equation: graph equation, then use vertical line test
500
two fifths the cube of a number
(2/5) x^3
500
Name the property: 17 x 19 x 0 x 8 x 9 = 0
Multiplication Property of Zero
500
Evaluate the expression if w=4, n=8, v=5, and t=2 t^3 - vt + (wnt^2-nw)
8 - 10 + (4*8*4-32) =-2 + (128 - 32) =94
500
Find the solution of 5b - 13 = 22 if the replacement set is {5, 6, 7, 8, 9}.
{7}; 5(7) - 13 = 22
500
The function b(x) determines how much money you earn if you walk big dogs; the function s(x) determines how much money you earn if you walk small dogs. Let x = the number of dogs walked. If b(x) = 5x + 3 and s(x) = 3x + 1, find how much you'll earn if you walk 4 big dogs and 2 small ones. Show work using function notation.
4 big dogs: b(x) = 5x + 3 b(4) = 5(4) + 3 = 20 + 3 = 23 2 small dogs: s(x) = 3x + 1 s(2) = 3(2) + 1 = 6 + 1 = 7 Total = $23 + $7 = $30