Graphs
Is this equation proportional?
y=4/3x
Yes, Because it has no y-intercept
What is the formula for slope intercept form?
y=mx+b
How many answers does 1y + 2x = 3y + 6x have?
Infinite
What is the definition of a slope?
The incline of a line or rise/run
Is 2x+3y=5 linear or nonlinear?
The equation is linear
What is the slope of y=3x+7?
3 is the slope
What form is 2x+6y=9 in?
The equation is in standard form
What is this equation simplified?
(2x+5x)+7y-3y=5
7x+4y=5
What is the definition of an algebraic equation?
An equation that contains variables and coefficients
Is a V-shaped line on a graph a function?
Yes, because it passes the vertical-line test
What is the slope of 4x + 2y = -4?
-4/2
What is the slope of y-3=12(x+2)?
12
What is the y-intercept of y= 2x-6
The answer is -6
What is the definition of parallel?
2 lines on the same graph that never intersect and have the same slope
Is y=50x-25 linear?
Yes, it is linear.
whats the slope? (0,1) (2,2)
1/2
Convert this equation into slope-intercept form
4x+7y=14
y=-4/7x+2
What is the slope of
5x-2y=10
5/2 is the slope
What is the definition of coefficient?
A number or quantity that multiplies a variable in an algebraic equation
If 3x + 4y = 24 and 6x + 8y = 48 are these equations linear?
Yes
Slope + Y-intercept (1,2) (3,6)
slope=2
Y-intercept=0
Convert y=5x+9 to standard form
5x-y=-9
What is the answer to 3x+7y-4y if y=5 and x=3 ?
The answer is 24
What is the definition of circumference?
The distance around a circle
What method do you use to figure out if an equation is a function?
Using the vertical line test or VLT.