Finding Slope of a Line
What is the slope of this equation?
x = 5
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Write the following in function notation: y=-5x+7
f(x) = -5x + 7
Evaluate:
-2 - 5
-7
What are the 3 forms of writing equations learned in class?
slope intercept form, point-slope form, standard form.
Identify the slope of the following equation. 4y = 2x + 5
slope is 1/2
Find f(2). f(x) = 4x+8
16
Solve:
3x - 2 = -14
x = -4
Write an equation for a vertical line through the point (-3, 3)
x = -3
Find the slope of the line that includes the following points. (4, -5) (-4, 5)
-5/4
Find the slope.
f(-3)=4 and f(9)=0
m=-1/3
A line passes through (1, -5) with a slope of 3. What is the y-intercept?
-8
Find a4
an=-5(n-1)+2
-13
Write an equation for a line with the following slope and points.
m = 2/3 and (0, -2), (3, 0)
y = 2/3x - 2
Find the slope of the line parallel to y=-1/3x+8 and passes through (-4,5)
-1/3
What is used to tell if a graph represents a function?
Vertical line test
Identify the y-intercept: 7x = 3y +20
-20/3
Write the following equation in slope-intercept form: 8x + 4y = 16
y = -2x + 4
Write an equation for a line with the following two points. Find the slope and y intercept. (15, -10) (5, 10)
slope = -2 y intercept = 20
y = -2x + 20
Find the slope of the line that is perpendicular to the line that passes through the following points. (-12, -9) (-3, -3)
-3/2
Find the domain of the function f(x) = -5/6x +13
all real numbers
What is the equation of line in (slope-intercept form) with a slope of zero passing through (-2, -14)
y = -14
Is x = 2 a solution to the equation 2(x - 5) + 3 = 13 ?
No it is not a solution.
Write the equation in standard form;
y-1/2 = 5/4(x +12)
5x - 4y= -62