1 Intercepts - practice PDF

Preview

Summary

practice...

Description

Math 043

Intercepts; Horizontal and Vertical Lines

1. How do you find an x-intercept?

2. How do you find a y-intercept?

3. Identify the x and y intercepts on the graphs. Write all intercepts as ordered pairs. a)

x-intercept:

y-intercept:

1

Math 043

Intercepts; Horizontal and Vertical Lines

b) x-intercept:

y-intercept:

4. Complete the table. Then determine the x-intercept and the y-intercept for the graph of the equation. y = 2x – 4 x

-2

-1

0

1

2

y

2

Math 043

Intercepts; Horizontal and Vertical Lines

5. Find the intercepts for the graph of the linear equation and then graph the equation. 3x + 7y = 21

6. Find the equation of the line that passes through the points in the table. x

-2

-1

0

1

2

y

5

5

5

5

5

Equation ________________________________________________ x

-8

-8

-8

-8

-8

y

5

4

3

2

1

Equation ________________________________________________ 3

Math 043

Intercepts; Horizontal and Vertical Lines

7. Graph x = 0

8. Graph y = 0

9. Graph x = -4

10. Graph y = 3

11. Write the equation of the horizontal line and vertical line that pass through the given point. ( 1, 2)

Horizontal line __________________

Vertical line ____________________

4

Math 043

Intercepts; Horizontal and Vertical Lines

12. Find an equation for a line satisfying the following conditions: a) Perpendicular to y = ½, passing through (4, -5)

b) Parallel to x = 4, passing through ( -2, 1)

5

Math 043

Intercepts; Horizontal and Vertical Lines

13.

a. What are is the x-intercept?

Interpret what it means in the context of this graph.

b. What is the y-intercept?

Interpret what it means in the context of this graph.

6

Math 043

Intercepts; Horizontal and Vertical Lines

14. The velocity v of a toy rocket in feet per second after t seconds of flight is given. Assume that t > 0 and t does not take on values greater than the t-intercepts. a) Find the intercepts and then sketch a graph the equation. b) Interpret each intercept. v = 128 – 32t

7...