Expressions
Equations
Functions
Inequalities
Potpourri
100
Evaluate the expression: 24 + 5
21
100
12x = 60
x = 5
100
Use the function x - 4. Find the output, y, if the input, x, is 6.
y = 2
100
Consider the inequality 15 < x. True or False: -16 as a value for x makes the inequality true.
False.
100
Solve the inequality: x + 8 > 12
x > 4
200
4(2 + 4) - 3
21
200
x + 1_1/2 = 4_1/2
x = 3
200
This is a relation that assigns exactly one output value to one input value.
Function.
200
True of false: 0 is greater than or equal to -1.
True
200
Karen's fruit punch uses 8 cups of water and 2 cups of fruit punch concentrate. What is the percentage of the fruit punch that is fruit punch concentrate?
20%
300
Simplify the following expression: 3k + 3 + k + 5 + 4k
8k + 8
300
Jessica drives 11 miles to work everyday. How many total miles does she drive in 7 days?
77 miles
300
This describes the relationship between each input and output.
function rule
300
Select the set of numbers that are possible values for the inequality x > -8. a) {-1, 0, 1} b) {-9, 0, 9} c) {-10, -8, -6}
a
300
Dominic predicts his test score will change by 10 percent as compared to his previous test. His last test score was an 80. Select all the correct amounts if his prediction is correct. (a) 70 (b) 72 (c) 80 (d) 88
b and c
400
Write an expression equivalent to 5(5x + 5y + 5y)
25x + 50y
400
Jacky bakes 30 cookies before dinner. She bakes x more cookies after dinner. Write an equation that represents the total number of cookies, y, that Jacky bakes.
30 + x = y
400
You can organize the input-output values and the function rule in this.
function table
400
Graph the following inequality: x > 2
_______________________
400
Simplify the following expression: 3(3x) + 3(3y)
9x + 9y
500
Write the phrase as an algebraic expression. two more than seven times Mary's age
7x + 2
500
A bag of M&Ms contains x blue M&Ms. The bag contains 3 times as many red M&Ms as blue M&Ms. Write an equation that represents the total number of red M&Ms, y, in the bag.
3x = y
500
In a function, the input value is also known as this since it can be any number you choose.
independent variable
500
Solve the inequality: 5x < 30
x < 6
500
In a football game, each team earns 6 points for each touchdown it scores. Write an equation to find y, the total number of points for scoring x touchdowns.
6x = y