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Unit 4 Review Flashcards | StudBud
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Unit 4 Review
Unit 4 Review
20 terms
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Questions
20
Answers
1
What is the function of this function table?
3x-1
2x=y
2x+2=y
3x+1
2
On an inequality shown by a number line, < and > are shown by a closed circle.
true
false
3
In a function machine, the input is changed by the __________ and then it is the output.
rule
independent variable
statement
dependent variable
4
What kind of variable does the
x
represent in this function table?
independent
function
solution
dependent
5
What is a mathematical statement where two expressions are equal?
solution
inverse operations
function
equation
6
Solve the equation.
4x<8
32<8
x<2
2<x
32x
7
Solve the equation
s
-2.5=7.35.
Don't rush!
s=9.85
s=9.7
s=7.6
s=76
8
How is "
x is greater than -1"
represented by an inequality?
-1>x
x<-1
x>-1
x= -1
9
What are the inequalities shown here?
d> -1 but d<2
d≥ -1 but d≤2
d≤ -1 or d≥2
d< -1 or d>2
10
What are the operations that undo each other?
inverse operations
solutions
functions
substitutes
11
Write an inequality for the situation: fewer than forty stickers are on the desk.
s=40
s>40
s<40
s≤40
12
What is a value that makes an equation true?
solution
statement
function
inverse operations
13
What is a relationship between input and output values?
function
independent variable
dependent variable
function table
14
What is the type of equation in which solutions form a straight line on a coordinate plane?
linear
red arrow
scale
nonlinear
15
Solve the equation
n÷6 =42.
252
n=7
7
n=252
16
The dependent variable can be alone without any help.
true
false
17
Solve the equation.
22y=440
y=22
y=200
y=20
y=9,680
18
What is the function in the function table?
a+3=b
3a -2=b
2a -3=b
a÷3+2=b
19
What is the inequality shown on the number line?
x>7
b<7
t≥7
j≤7
20
Solve the inequality.
f + 5 ≤ 7
f ≥ 12
f ≤ 2
f ≥ 2
f ≤ 12
