Linear Formulas Flashcards
What is the name of the form: Ax + By =C
Standard Form
What is the name of the form: y = mx + b
Slope-Intercept Form
What is the name of the form: y- y1 = m(x - x1)
Point-Slope Form
What form is the equation in?
y = 3x - 2
Slope-Intercept Form
What form is the equation in?
y - 3 = 1/2 (x + 2)
Point-Slope Form
What is the formula for slope?
m = (y2 - y1) / (x2 - x1)
Finish the phrase: Slope is easy and fun, just remember….
rise over run
What is the slope in the equation y = -2x + 5
slope = -2
Name a point from the equation:
y + 3 = 1/2 (x - 5)
(5 , -3)
Name the slope in the equation:
y - 6 = 1/3 (x + 2)
slope = 1/3
What is the y-intercept in the equation?
y = 3/7 x - 2
y-intercept = -2
Describe the line: y = -2
horizontal line passing through -2 on the y-axis
Describe the line: x = 4
vertical line passing through 4 on the x-axis
What is the slope of any horizontal line?
slope = 0
What is the slope of any vertical line?
slope is undefined