I saw a line
What is a function that connects all the individual solutions/data points in a linear relation called
a line
How do you find the y-intercept
Plug in 0 for x!
What is the slope of a horizontal line?
Zero
What is the equation for slope-intercept form?
y=mx+b
Write the linear equation in point slope form:
Slope = -7 through the point (4,2)
y - 2 = -7(x -4)
What is the standard form of a linear equation?
Ax+By=C
Find the x intercept: 2x - 4y = 8
x=4
What is the slope of a vertical line?
Undefined
What is the equation of a line in slope-intercept form, if the slope is -3 and the intercept is 5
y=-3x+5
What lines have the same slope?
parallel
Evaluate the function at x = 0
y= 4x + 13
What does y = ?
13
Find the x and y intercepts of 3x+4y=24
x=8 and y=6
(8,0) & (0,6)
Find the slope of (4,-2) and(-1,2)
What is -4/5
Write the equation in slope intercept form if the slope is 1/2 and the intercept is 0?
y=1/2 x
How do you know when you have perpendicular slopes?
When the product of the slopes equal -1
or
Their slopes are negative reciprocals
Evaluate the function at x = 6
y= 1/3 x - 7
What does y = ?
y = -5
Find the x and y intercepts of 3x- 2y=12
x=4 and y=-6
Find the slope of (20,3000) and (60,2000)
What is -25
What is the y-intercept of the equation y = -7
-7
Write this equation in point slope form & in slope intercept form:
slope = -4 Through the point (-1,-2)
Point slope form: y + 2= - 4(x+1)
Slope intercept: y = - 4x -6
(5, 12) (5, -12)
UNDEFINED
What is the point on a graph when it crosses/intersects the x-axis called?
x-intercept
Find the slope of the equation: 6x + 5y=30
What is 6/5
What is the slope of the line y = 12
0
Write the equation in point slope form and in slope intercept form: (1,-4) and (3,2)
Point slope: y - 2 = 3 (x-3)
or
y +4 = 3(x-1)
slope intercept: y = 3x -7