
Solving Equations and Variables
Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Practice Problem
•
Hard
Thomas White
FREE Resource
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8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main focus of lesson 59?
Solving quadratic equations
Rearranging before substitution
Graphing linear equations
Factoring polynomials
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why can you solve an equation with one variable easily?
Because it involves complex numbers
Because it has only one letter
Because it has multiple solutions
Because it is always linear
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the challenge with equations that have two variables?
They cannot be graphed
They are always quadratic
They have infinite solutions
They have no solutions
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the example, what is the first step to solve the system of equations?
Graph the equations
Use the quadratic formula
Substitute directly
Rearrange one equation
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the extra step introduced in rearranging equations?
Multiplying by a variable
Dividing by zero
Making one variable the subject
Adding a constant
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the example, what is the value of y after solving the rearranged equation?
4
5
7
6
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you handle a negative coefficient in the equation?
Ignore it
Multiply by zero
Add it to both sides
Divide by negative one
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