Shared Flashcard Set

Details

DReid Algebra II
CRCT review relations and functions
20
Mathematics
7th Grade
03/29/2012

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Cards

Term
1. Which point has the coordinates (7, -4)?
Definition
I
Term
2. What are the coordinates of point E?
Definition
(-9, 0)
Term
3. Write an equation that represents the line drawn on the coordinate plane.
Definition
y = 3x
Term
4. Write an equation that represents the relation shown in the table.
Definition
y = x + 6
Term
5. Write an equation that represents the table.
Definition
y = 2x - 2
Term
6. What happens to y if x is increased by 1?
Definition
y increases by 2
Term
7. Write an equation that represents the relationship shown in the table.
Definition
y = 3x - 3
Term
8. As x increases by 1, what happens to y?
Definition
y increases by 5.
Term
9. What happens to y when x increases by 2?
y = 3x - 4
Definition
y increase by 6
Term
10. Write an equation for the relationship shown in the table.
Definition
y = 2x + 1
Term
11. Look at the table. As x increases by 1, what happens to y?
Definition
y decreases by 3
Term
12. What type of graph is shown?
Definition
Indirect variation
Term
13. What type of graph is shown?
Definition
Direct variation
Term
14. Ms. Hensley needs to drive 300 miles for an appointment. She made the graph below to help her decide at what time she needs to leave and at what speed she should drive in order to arrive on time.
The time is ____________ proportional to the speed.
Definition
Indirectly proportional
Term
15. A school principal is hiring painter to paint the walls of the school cafeteria. If she hires 2 painters, they will complete the job in 24 hours. Four painters will complete the job in 12 hours, and 6 painters will complete the job in 8 hours. What could you tell the principal about the relationship between the number of painters she hires and the time it will take to complete the job?
Definition
The time to complete the job is in inverse proportion to the number of painters hired.
Term
16. What are the coordinates of point G?
Definition
(-8, -2)
Term
17. The cost, c, of a regular pizza is based on the formula c = 2t + 8, where t is the number of toppings added. How does the cost of pizza change as the number of toppings increases by 1?
Definition
As the toppings increase by 1, the value of the pizza increases by $2.
Term
18. In what quadrant is letter H?
Definition
Quadrant III
Term
19. What happens to y when x increases by 2?
y = -2x
Definition
y decreases by 4
Term
20. For which point are both coordinates less than 0?
Definition
Point H
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