IMS, NS, or One Solution?
y = x - 3
y = x - 3
IMS
A letter that represents a number.
Variable
What's the slope?
y= 3x + 3
Slope: 3/1
I am a number without a variable
Constant
x + y = 7
y=5
Substitution
y = 2x + 6
y = 2x + 2
No Solution
Inverse operations
Opposite operations
mult. to div.
add to subtract
What's the y-intercept?
y= -2x - 3
Y-intercept: (0, -3)
I am the letter that represents slope
m
x - y = 3
-x +2y = 4
y = x - 9
y= 4x
One Solution
The 3 types of solutions to a system of equations are
IMS, NS, or One Solution
What's the slope?
y = -x + 3
Slope: -1/1
The equation
y = mx + b
represents what?
Slope-Intercept Form
8a - 6b = 4
5a + 6b = -2
Elimination
2y = 4x + 4
y = 2x + 2
IMS
To eliminate is to?
Get rid of a variable
have the same or opposite coefficients
What's the slope and the y-intercept?
y=x
Slope: 1/1
Y-intercept: (0,0)
In a system of equations, I can replace what a a variable equals into another equation.
Substitution/Substitute
Solve by substitution. What does y = ?
2x + y = 14
x = 3
y = 8