y = mx + b Worksheet Name: ________________________________________
1) For each graph: Write the equation of the line in SLOPE-INTERCEPT FORM.
a. b. c.
Slope = ___________ Slope = __________ Slope = __________
y-intercept = __________ y-intercept = __________ y-intercept = __________
equation: _____________ equation: _____________ equation: _____________
d. e. f.
Slope = ___________ Slope = __________ Slope = __________
y-intercept = __________ y-intercept = __________ y-intercept = __________
equation: _____________ equation: _____________ equation: _____________
2) Find the slope of the line through each pair of points.
12
12
xx
yy
Slope
a. (8, -7) and (5, -3) b. (-5, 9) and (5, 11) c. (-8, -4) and (-4, -9)
d. (-4, 3) and (-6, -8) e. (-7, -1) and (-7, 2) f. (9, 4) and (-6, 4)
3) Tell whether each slope is positive, negative, zero, or undefined.
a. b. c. d.
_______________ _______________ ______________ _______________
4) For each linear equation, identify the slope (m) and the y-intercept (b)
a. y = 4x – 5
b.
xy
3
2
11
c.
xy
3
2
d.
yx
2
9
6
e.
8
19
2
5
xy
f.
yx
7
2
4
5