slopes
What is the slope of a vertical line?
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Given y = 7x - 4, find the slope and the y-intercept. Label them.
slope: 7
y-intercept: -4
Determine the slope and point through the line y - 4 = 2(x + 5). Label them.
slope: 2
point: (-5, 4)
What is the domain? the range?
the input, x. the output, y.
Is this relation a function? (2, 3) (5, 7) (4, 5) (5, 11)
no
What is the slope of the line y = 8?
0
Given m = -4 and y-intercept (0, 2). Write the equation in slope-intercept form.
y = -4x + 2
Write an equation in point-slope form given slope: 8 and point: (6, -7)
y + 7 = 8(x - 6)
What is the domain of (2, 3) (5, 7) (4, 5) (5, 11)?
2, 4, 5
What do you use to determine if a GRAPH is a function?
use the VLT, Vertical Line Test
What is the slope of the line y = 9 - 5x?
-5
Find slope-intercept form of the graph of 3x - 4y = -8
y = 2 + (3/4)x
Write an equation in point-slope form given slope: -8 and point: (-6, 2)
y - 2 = -8(x + 6)
What is the range of (2, 3) (5, 7) (4, 5) (5, 11)?
3, 5, 7, 11
Evaluate f(x) = 4x2 - 7x for f(6) and f(-3)
102 and 57
Find the slope between (-4, 2) and (2, 5).
1/2
Given y + 5 = 3(x - 8), write the equation in slope-intercept form.
y = 3x - 29
Write the equation of the given line in STANDARD form: y + 4 = -3(x + 2)
3x + y = -10
Write the domain and range in interval notation for the parabola that opens sideways to the right from x =-1.
domain: [-1, ∞)
range: (-∞, ∞)
Evaluate the function g(x) = -9x - 11x2 + 3 for g(-2)
-23
Find the slope of the line x = 8y.
1/8
Find the equation of the line with slope -3/5, through (2, -4). Write the equation in slope-intercept form.
y = (-3/5)x - 14/5
A given line passes through the points (-2, -4) and (-6, 8). Write an equation of the line in point-slope form.
y + 4 = -3(x + 2)
Write the domain and range in interval notation for the parabola that opens up from y = 3.
domain: (-∞, ∞)
range: [3, ∞)
Determine whether the graphs of the lines would be parallel, perpendicular or neither. Write specifically how you know. (not just a guess)
2x - 6y = 8
3x - 9y = 12
parallel lines because the slopes are 1/3