Give the slope-intercept form for linear equations.
y = mx + b
14) What is the solution to the system of linear equations?
(2,2)
What is the first step when solving a system of linear equations using the SUBSTITUTION method?
Isolate one variable
You m_______ both equations by numbers that will allow you to c_______ the two equations and e_______ one of the variables.
multiply ; combine ; eliminate
Which tool is best for math?
What are multi-pliers?
True or False:
It does not matter which method you use when solving systems of linear equations because they will all give you the same answer.
True
What is the solution?
(-1,1)
Use the substitution method to solve the system of linear equations:
y=2x
3x+y=20
Solution: (4,8)
Solve the systems of equations using elimination:
2x - y = 10
4x - y = -8
(-9,-28)
Why was six afraid of seven?
What is because 7, 8, 9?
What does it mean to "find the solution" to a system of linear equations?
It means to find the point of intersection
Solve Using Graphing:
y = 5/3x + 2
y = -3
Solve the systems of equations using substitution:
y=3x-10
x=2
(2,-4)
What do you multiply to y in the first equation to solve it using elimination?
-2x + y = - 9
3x - 6y = 9
6
Who’s in charge in a pencil case?
What is The Ruler?
How many solutions are there if the graph falls on the same line (two coinciding lines)?
Infinitely many
Solve the systems of linear equations by graphing:
How would you isolate x in this equation?
6y+x=20
subtract 6y from both sides to get:
x=20-6y
Solve the systems of equations using elimination:
2x - y = 6
x - y = 5
(1, -4)
What did 0 say to 8?
What is "hey nice belt!"
What kind of line will be shown if the system does not have a solution?
parallel lines
Solve this by graphing:
2x - y = 4
x + 3y = 3
(3,2)
You s_____ one equation for one of the variables, then s_____ the new form of the equation into the other equation for the solved variable.
solve, substitute
Use the Elimination method to solve the system of linear equations:
−8x − 10y = 24
6x + 5y = 2
(7,-8)
What is a math teacher's favorite tree?
What is Geometry?