Solving for Unknown Variables

Quiz
•
Mathematics
•
8th Grade
•
Hard
+3
Standards-aligned
Anthony Clark
FREE Resource
14 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve for x: 7x + 7 = 21
x = 7
x = 4
x = 3
x = 2
Tags
CCSS.7.EE.B.4A
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve for k.... 31 - 3k = 10
k = 10
k = -10
k = -7
k = 7
Tags
CCSS.7.EE.B.4A
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is a variable?
It's a number equation.
A letter representing an unknown number in an equation.
The symbols in an equation that aren't letters or numbers.
Any equation with an equals sign.
Tags
CCSS.6.EE.A.2B
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In the equation 2x + 3y = 19, what is/are the variable(s)? Choose the best answer.
x
y
=
Both x and y are variables
Tags
CCSS.6.EE.A.2B
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What branch of mathematics deals with equations with variables?
Algebra
Geometry
Calculus
Physics
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How would you solve the equation 4x = 100?
Divide 100 by 4
Subtract 4 from 100
Add 4 to 100
Multiply 100 by 4
Tags
CCSS.6.EE.B.7
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In the equation 2x + 3y = 19, what is the constant?
y
19
x
2
Tags
CCSS.6.EE.A.2B
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