| |
| |
1. |
To find the y-intercept of the graph of an equation, you should _______. |
| |
|
A. |
let y = 0 in the equation and solve for x |
B. |
let x = 0 in the equation and solve for y |
| |
|
C. |
let x = –1 in the equation and solve for y |
D. |
multiply the coefficients of x and y |
| |
|
Hint |
|
| |
2. |
Determine the slope and y-intercept of the graph of the equation  |
| |
|
A. |
m = -7;  |
| |
|
B. |
 ; b = 7 |
| |
|
C. |
m = 7;  |
| |
|
D. |
 ; b = -7 |
| |
|
Hint |
|
| |
3. |
To graph the equation  by using the slope and y-intercept, you would ________. |
| |
|
A. |
graph the point at (–2, 0). Then go up 5 units and right 2 units. This will be the point at (0, 5). Then draw the line through points at
(–2, 0) and (0, 5). |
| |
|
B. |
graph the point at (0, –2). Then go up 5 units and left 2 units. This will be the point at (–2, 3). Then draw the line through points at
(0, –2) and (–2, 3). |
| |
|
C. |
graph the point at (0, –2). Then go up 5 units and right 2 units. This will be the point at (2, 3). Then draw the line through points at
(0, –2) and (2, 3). |
| |
|
D. |
graph the point at (0, –2). Then go up 5 units and right 2 units. This will be the point at (3, 2). Then draw the line through points at
(0, –2) and (3, 2). |
| |
|
Hint |
|
| |
4. |
Find the equation of the graph in slope-intercept form. |
| |
|
 |
| |
|
A. |
y = 3x + 2 |
B. |
y = 3x – 2 |
| |
|
C. |
y = 2x – 3 |
D. |
y = 2x + 3 |
| |
|
Hint |
|
| |
5. |
What is the equation of the graph? |
| |
|
 |
| |
|
A. |
y = -4.5 |
B. |
x = -4.5 |
| |
|
C. |
x = 4.5 |
D. |
y = 4.5 |
| |
|
Hint |
|
|
|