Download Pre-Algebra Name: Unit 5: Graphing Linear Equations Slope

Pre-Algebra
Unit 5: Graphing Linear Equations
Slope-Intercept Form (y=mx + b)
Name:
Worksheet 5.12
State the slope and y-intercept of each of the following linear equations.
1. y = 4x + 5
2. y = -3x + 2
3. y = ½ x – 7
4. 10x + 5y = 0
m=
m=
m=
m=
b=
b=
b=
b=
Write the equation of each of the lines on the following coordinate plane.
5. The y-intercept, b, of line A is:
A
6. The slope, m, of line A is:
7. The equation, y=mx +b, of line A is:
B
8. The y-intercept, b, of line B is:
9. The slope, m, of line B is:
C
10. The equation of line B is:
11. The y-intercept, b, of line C is:
12. The slope, m, of line C is:
13. The equation of line C is:
C
Check yourself: 1) m = 4, b = 5
5) b = 2
6) m =
7) y =
x+2
16) y = 3x + 25
19) y = 3x – 10
over
Graph the following lines without using tables.
15. 4x + 6y = -18
14. y = x – 6
Tell whether each number is prime or
composite.
16. 253
17. 197
Write the prime factorizations of each
number.
18. 220
Without graphing, write the equations that match the following tables.
16.
x
0
1
2
y
25
28
31
17.
x
0
1
2
y
0
-20
-40
18.
x
0
2
4
y
100
101
102
19. What is the equation of the line that goes through the points (0, -10) and (2, -4)?
20. What is the equation of the line that goes through the points (0, 5) and (-5, 0)?
A bit of review…
Simplify. The answers should only have positive exponents.
21.
22. (3x2y)3
Pg 324 - 333