What is the formula for slope?
y2 - y1
x2 - x1
Solve.
210 x 2-8
22 = 4
Does the graph represent a function? Explain.
Yes, it passes the vertical line test.
Approximate the following square root. Round to the nearest tenth.
√126
Approximately 11.2
Find the slope.
(4,3) (6,5)
2
Solve.
821 ÷ 818
83 = 512
What is the equation that represents a linear function? Can you identify two of the variables?
y = mx = b
m = slope
b = y-intercept
Approximate the following square root. Round to the nearest tenth.
√83
Approximately 9.1
Find the slope.
(1,4) (4,6)
2/3
Solve.
43 x 23
83 = 512
Write an equation in slope-intercept form using this information.
(4,3) (7,6) and y-intercept is -7.
y = 3x - 7
Approximate the following square root. Round to the nearest tenth.
√200
Approximately 14.2
Find the slope.
3/2
Solve.
(22)3
26 = 64
Write an equation in slope-intercept form using this information.
(-4,1) (5,3) and y-intercept is 3.
y = 2/9x + 3
Approximate the following square root. Round to the nearest tenth.
√94
Approximately 9.7
Find the slope.
2
Solve.
(72)2
DAILY DOUBLE
74 = 2401
Write an equation in slope-intercept form using this information.
slope is 3 and y-intercept is -2.
y = 3x - 2
Approximate the following square root. Round to the nearest tenth.
√151
Approximately 12.3