Lesson 7: Practice Problems
Problem 1
For each equation, decide if it is always true or never true.
Problem 2
Mai says that the equation
Problem 3
Write the other side of this equation so it’s true for all values of
: Write the other side of this equation so it’s true for no values of
:
Problem 4
Here is an equation that is true for all values of
Problem 5 From Unit 4 Lesson 4
Elena and Lin are trying to solve
Elena’s first step is to write
. Lin’s first step is to write
.
Problem 6 From Unit 4 Lesson 6
Solve each equation and check your solution.
Problem 7 From Unit 3 Lesson 12
The point
Find two more points on the line.
Write an equation for the line.