Open Up - Grade 8 - Mathematics - Unit 4 - Lesson 3
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Last updated 9 months ago
6 questions
1
In this hanger, the weight of the triangle is x and the weight of the square is y.
In this hanger, the weight of the triangle is x and the weight of the square is y.
Write an equation using x and y to represent the hanger.
1
In this hanger, the weight of the triangle is x and the weight of the square is y.
In this hanger, the weight of the triangle is x and the weight of the square is y.
If x is 6, what is y?
1
Match each set of equations with the move that turned the first equation into the second.
Match each set of equations with the move that turned the first equation into the second.
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
Solution 1. | arrow_right_alt | Set A |
Solution 5. | arrow_right_alt | Set B |
Solution 3. | arrow_right_alt | Set C |
Solution 4. | arrow_right_alt | Set D |
Solution 2. | arrow_right_alt | Set E |
1
Andre and Diego were each trying to solve 2x + 6 = 3x - 8. Describe the first step they each make to the equation.
The result of Andre’s first step was -x + 6 = -8.
Andre and Diego were each trying to solve 2x + 6 = 3x - 8. Describe the first step they each make to the equation.
The result of Andre’s first step was -x + 6 = -8.
1
Complete the table with values for x or y that make this equation true: 3x + y = 15.
Create a graph, plot these points, and find the slope of the line that goes through them.
Complete the table with values for x or y that make this equation true: 3x + y = 15.
Create a graph, plot these points, and find the slope of the line that goes through them.
1
Select all the situations for which only zero or positive solutions make sense.
Select all the situations for which only zero or positive solutions make sense.