Slope Intercept
What is the formula for Slope Intercept form?
Y = mx + b
What is the formula for Point Slope form?
y - y1 = m(x - x1)
What is the formula for Standard form?
Ax + By = C
What does absolute value represent?
Distance from zero
(Turns any negative into a positive)
What are the three different types of correlation?
Positive, Negative, and No Correlation
What is the slope in the equation:
Y = 3x + 2
Slope = 3
What is the starting point for the equation:
Y - 2 = 3(x - 1)
Coordinate (1, 2)
What is the x-intercept of this equation:
3x + 2y = 6
x = 2
Coordinate (2,0)
Which letter of the Alphabet, looks like an absolute value graph?
V
Positive, Negative, or No Correlation?
Time spent brushing teeth, and whiteness of your teeth.
Positive Correlation
What would be our starting coordinate to graph this equation:
Y = 5x - 2
Coordinate (0, -2)
Y-intercept of -2
What is the starting point for the equation:
Y + 3 = 0.5(x - 7)
Coordinate (7, -3)
Find both intercepts for the equation:
5x + 2y = 12
x = 12/5 or 2.4
y = 6
Describe the translation the following equation has applied to it:
Y = |x| - 2
Down 2 spaces
Positive, Negative, or No Correlation?
College degree, and intelligence.
No Correlation
Graph the following equation:
Y = 1/2x + 4
Y-intercept = 4
Slope = 1/2
(Check Graph)
Graph the following line:
Y - 1 = -(x + 4)
Starting Point (-4, 1)
Slope = -1
(Check Graph)
Graph the equation and label the intercepts:
3x - 4y = 24
x = 8
y = -6
(Check graph)
Describe the translation the following equation has applied to it:
Y = |x + 4| + 1
Left 4 spaces
Up 1 space.
Create a trend line using these 2 points:
(4, 7) and (10, 13).
Estimate when x = 7.
When x = 7, y = 10.
(7, 10)
Write the Slope Intercept form of a line given 2 points:
(3, 5) and (5, 1)
Y = -2x + 11
Write the Point Slope form of a line given 2 points:
(4, 1) and (6, 2)
Y - 1 = 1/2(x - 4)
or
Y - 2 = 1/2(x - 6)
Graph the equation and label the intercepts:
3x + 5y = 20
x = 20/3 or 6.666
y = 4
(Check Graph)
Describe the translation the following equation has applied to it:
Y = -|x - 1| - 3
Flipped upside down (Reflected)
Right 1 space
Down 3 spaces
Plot the following points.
(3, 6) (2, 4) (7, 9) (5, 6) (6, 7) (2, 3) (9, 12)
Create a trend line, and estimate x = 10.