Question

1. Explain how you can use the vertical line test to show that the following set of ordered pairs represents a function: {(–1, 2), (3, –2), (0, 1), (5, 2)
2. In your own words, define "x-intercept."
3. What is the value of y at the x-intercept?
4. Use your response for #3 to help you find the x-intercept of the equation y=2x-1.
5. What is f(2) if f(x)=3x2 -2x ?
6. What do the variables "m" and "b" represent in slope-intercept form, y=mx+b ?
7. Use your response for #6 to help you find the slope and y-intercept of the equation y=(3/4)x+2.
8. Describe how you would graph an equation using your knowledge of it's slope and y-intercept. Use an example to assist you in your explanation.


9. What two extra steps do you need to take when graphing an inequality?


10. Describe how you would graph y>-2x+3 (hint: you should indicate what type of line and where to
shade).

11. The form y=(x+h)2+k, what kind of translations do the variables h and k represent? Use an example to assist you in your explanation.

Answer 1

1. each domain would only have one range

Answer 2

2. the point of contact on the x axis

Answer 3

oops 3. the value u get when x = 0

Answer 4

Thanks so much do you know the other ones?

Answer 5

yes i do sry been busy these past 3 days lol

Answer 6

can you help me out?

Answer 7

sure mate

Answer 8

Can you message me and help me out then?? Please!