Name_____________________________ Date _________________ Period __________ show your slope triangle

Name_____________________________
Date _________________ Period __________
Algebra I Writing Linear Equations Quiz
For problems #1-4, identify the slope (show your slope triangle) and y-intercept of each line and use them to
write an equation in slope-intercept form (y = mx + b).
2.
1.
Slope:____ y-intercept:____ Equation: ____________
Slope:____ y-intercept:____ Equation: ____________
4.
3.
Slope:____ y-intercept:____ Equation: ____________
Slope:____ y-intercept:____ Equation: ____________
For Problems 5-7, use the slope formula to find the slope of the line between the two given points. Show Work
5. ( 0 , 0 ), ( 1 , 2 )
6. ( 3 , 4 ), ( 7 , -8 )
7. ( 2 , 1 ), ( 3 , 1 )
Determine if the given point is a solution to the equation. Show your work.
1
9. Is the point (4, 2) on the line y = - x + 6?
2
8. Is the point (7, 17) on the line y = 3x – 4?
Match the line with its equation. Write the letter of line next to its equation.
B
!
!
10.
y = 2x + 3
_____
11.
y = "3x + 2
_____
12.
y = "3
_____
13.
y = 2x
_____
!
!
D
C
A
For Problems 11-14, write the equation of a line that fits the given information. Use y = mx + b
11. Slope = -1, y-intercept = 10
Equation: _______________________________
12. Slope = 3/4, y-intercept = 0
Equation: _______________________________
13. Vertical line crossing the x-axis at -1
Equation: _______________________________
14. Horizontal line crossing the y-axis at 4 Equation: _______________________________
15. Write the equation of the line that has the following table.
x
-2
-1
0
1
2
y
-1
1
3
5
7
For Problems 15 and 16, write the equation of a line with the given slope that passes through the given point.
Use slope intercept form y = mx + b.
16. Slope = -1, point: (3 , -3 )
Equation: _______________________________
17. Slope = ½, point: ( 2 , -2 )
Equation: _______________________________
For Problems 17 and 18, write the equation of a line that passes through the two given points.
Use slope intercept form y = mx + b.
18. Points: (2 , 2 ), (3 , 4 )
Equation: _______________________________
19. Points: (-3 , -2 ), (-4 , -5 )
Equation: _______________________________
20. In your own words, how can tell if a line has positive or negative slope.
Bonus Question:
Graph the point (2, 3) and then write an equation that passes through the point.
Equation: ______________________________