Which number is the slope or y-intercept?
Which is the slope?
y = 2x + 10
2
(5, 7) and (3, 6)
What is 1/2?
If f(x)= -3x + 9, solve for f(-5)
What is 24?
Write an equation in slope-intercept form when slope = 3 and the y-intercept is 2
What is y = 3x + 2?
-5y +15 = -40, solve for y.
What is y = 11?
Which number is the y-intercept?
y = 3x + 21
21
If f(x) = 3x2 - 8, solve for f (2).
What is 4?
Write in slope-intercept form: slope = 1/4; y-intercept = -6
What is y = 1/4 x - 6?
Write in slope-intercept form: 5x + 3y = 15
What is y = -5/3 x + 5?
Which number is the slope?
8x -2y = -10
1/4
y = -3x - 2
What is -3?
If f(x) = -x3, solve for f(-2)
What is 8?
Write in slope-intercept form.
-2x - y = -10
What is y = -2x +10?
Simplify
-8y +14 - y - 18
What is -9y - 4?
Put into y=mx + b form first.
Then identify the slope.
4x + y = 8
-4
If f(x)= -3x2 + 2x4, solve for f(-1)
What is -1?
Identify the y-intercept: 2x- 4y -8 = 0
What is -2?
For -12x +y = -5 is the slope positive or negative?
What is the slope?
-2x +4y = -8
1/2
What type of line test can you use to determine if it is a function?
Write in slope-intercept form: 5x - 3y - 15 = 0
What is y = 5/3x - 5?
Yes or No
Can a line have a slope of 0? If so, draw a line with a zero slope?
Yes