Finding Slope
What formula represents slope?
What is y2-y1/x2-x1
What is slope intercept form?
What is y=mx+b
What is point slope form?
What is y-y1=m(x-x1)
What is standard form?
What is
Ax+By=C
Graph the equation
y=2x+1
Teacher will check graphs
Find the slope from this graph :
What is -3
Write this in slope intercept form
slope is -3 and y-intercept in -2
y=-3x-2
What does the y1 and x1 value represent in point slope form?
What is
y1= y coordinate
x1=x coordinate
What is standard form commonly used to find?
What is the x and y intercepts
Graph y-1=3(x+2)
Teacher will check graph:
Point at (-2,1) Slope of 3
What is the slope of this equation?
y-3=-5(x+1)
What is -5
What is the slope and y-intercept of this line?
y=-5/4x+2
What is
Slope= -5/4
Y-int= 2
Write the equation in point-slope form for a line for the following information:
m=-3/2 and goes through the point (-1,8)
What is
y-8=-3/2(x+1)
Identify the x and y intercepts of this graph:
2x+5y=10
What are
x=5 (5,0) and y=2 (0,2)
Graph 2x+3y=6
Teacher will check graph
x-int=3 y-int=2
What is the slope of the line that passes through these two points?
(-4, -5) and (-5,5)
What is -10
Write the equation is slope intercept form for a line with a slope of -2 and a y-intercept of -10
What is y=-2x-10
Write the equation of a line that passes through the points (2,4) and (3,6)
What is
y-4=2(x-2) OR y-6=2(x-3)
Identify the x and y intercepts of this line and graph:
-6y=12
What are:
There is no x-int and y=-2
Convert this equation into slope-intercept form
y-2=2/3(x-3)
What is
y=2/3x+1
What is the slope of the line that passes through these two points?
(-12,-9) and (-3,-3)
m= 2/3
Write the equation of a line in slope intercept form that passes through the points
(1,3) and (-1,-1)
y=2x+1
Write the equation of the line that passes through the points (3,-5) and (1,-8)?
What is
y+5=3/2(x-3) OR y+8=3/2(x-1)
Write an equation in standard form for this problem:
Linda is shopping for a company lunch party. She is packing two types of cheeses, and has $40 to spend on both cheeses. Cheddar cheese costs $4/lb and provolone costs $8/lb.
Bonus: (+100 points) How much cheddar cheese can she buy if she buys no provolone cheese?
What is
4x+8y=40 OR 8x+4y=40
She can buy 10 lbs of cheese.
Write this equation in slope intercept form:
y+3=-7(x-2)
What is
y=-7x-11