Slope
What is the slope?
Y=2x+3
-2
What is the y-intercept; y=-x+1
1
2x-5=
13
True or false
do you use variables
true
What is a graph?
a diagram showing the relation between variable quantities, usually of two variables, each measured along one of a pair of axes at right angles.
What does slope tell us?
Slope tells us how steep a line is.
x − 3 y = 9. Find the y intercept.
-3
2x-3=
-7
What is system of equations?
a set of equations that share variables and are solved simultaneously.
What quadrant is this point in on the graph?(2,2)
quadrant I
identify the slope for the equation; y=2x−4
2
y=8−3x Find the y-intercept
8
14y+3+9y
5y+3
2x + y = 5 and 3x + y = 7. The value of x is equal to
What comes first x or y
x
What is the slope in this equation?
2x=4y=12
-1/2
y=8−3x
find the y-intercept.
8
4x+8=x-1
x=-3
Solve the equation: 3a + 4b = 43 and -2a + 3b = 11
5 and 7
What quadrant is this point in on the graph? (-2,8)
IV
What is the slope?
y=3x-2
3
Y-intecept deffinition
A y-intercept is the place where a line or curve crosses, or touches, the y-axis
x+2=10
x=8
Solve: 2x + 13y = 36 and 13x + 2y = 69
x=5 / y=2
What quadrant is this point in on the graph? (1,7)
I