Writing and graphing linear equations
Inequalities
Transformations
Slope intercept form and standard form
Point Slope form & Slopes of lines
100
What is the x-coordinate of the point where the graph intersects the x axis called?
What is the x intercept
100
What is the slope of a horizontal line?
Zero
100
What is the formula for slope-intercept form and standard form?
Slope-intercept- y=mx+b Standard- Ax+Bx=C
100
Write the linear equation in point slope form: Slope=-7 ; (4,2)
y-2 = -7(x -4)
200
What is the standard form of a linear equation?
Ax+By=C
200
Find the x intercept: 2x- 4y=8
x=4
200
What is the slope of a vertical line?
Undefined
200
Write the equation in slope intercept form: slope=2, y intercept =-5
y=2x-5
200
What lines have the same slope?
parallel
300
Tell whether the function is linear and turn it into standard form of linear equation: y=x+3
Yes can be written as -x+y=3
300
Find the x and y intercepts of 3x+4y=24
x=8 and y=6
300
Find the slope of (4,-2) and(-1,2)
What is -4/5
300
Given the y-intercept 6 and two points (-4, 4) and (4, 8), write the slope-intercept form of the line.
y=1/2x+6
300
How do you know when you have perpendicular slopes?
When the product of the slopes equal -1
400
Tell whether the set of ordered pairs satisfies a linear function. Explain (2,4), (5,3) (8,2), (11,1)
Yes, constant change in 3 for x. Constant change of -1 in y
400
Find the x and y intercepts of 3x- 2y=12
x=4 and y=-6
400
Find the slope of (20,3000) and (60,2000)
What is -25
400
Convert 5x+7y=35 to slope-intercept form.
y=-5/7x+7
400
Write this equation in point slope form & in slope intercept form: slope=-4, (-1,-2)
Point slope form: y+2= -4(x+1) Slope intercept: y=-4x -6
500
Tell whether the function is linear and graph the function
Yes it is linear.
500
Find the x and y intercepts of 2x + 4y=8. Then graph it
x=4 and y=-2
500
Find the slope of the equation: 6x + 5y=30
What is 6/5
500
Convert 3y+5=3/4x-7
-3/4x+3y=-12
500
Write the equation in point slope form and in slope intercept form: (1,-4) and (3,2)
Point slope: y-2=3 (x-3) slope intercept: y=3x -7
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