Overview
Solving Systems: Graphing
Solving Systems: Substitution
Solving systems:
Elimination
Elimination
Random
100
1)
What shape will every linear equation create when graphed in the coordinate plane?
Straight Line
100
6)
When should you use the graphing method to solve a system of linear equations?
when questions are written in slope-intercept form ...
aka when the equations are easy to graph.
100
11)
When should you use the substitution method to solve a system of linear equations?
when you already know the value of one variable
100
2x + 3y = 8
2x + y = 2
x = -0.5
y = 3
100
What is the square root of 81?
9
200
2)
At least how many equations will be in a system of linear equations?
At least 2 equations will be in a system of linear equations.
200
7)
What is the solution to the system of linear equations?
(0,2)
200
12)
What is the solution (x,y) to the system of linear equations?
5x+2=y
x=2
(2,12)
200
5x - 10y = 20
2x + 10y = 10
x = 10
y = -1
200
Turn the number into scientific notation:
6,120,000
6.12 x 10^6
300
3)
The ___________________ to a system of linear equations is the ____________ where the equations have values for x and y that make both equations true.
solution, point
300
8)
What is the solution to the system of linear equations?
(-1,4)
300
13)
What is the solution to the system of linear equations?
2x+10=y
x=12
(12,34)
300
5x - 13y = -2
-5x + 13y = 5
no solution
300
A rectangle has a length of 5cm and a height of 3cm. What is the area of this rectangle?
15cm^2
400
4)
How many solutions can a system of linear equations have?
0, 1 or all
400
9)
What is the solution to the system of linear equations?
(2,9)
400
14)
What is the solution to the system of linear equations?
3x+6=y
y=12
(2, 12)
400
3x + y = 10
-3x - y = -10
infinity many solutions
400
Identify the slope and y-intrcept
y=-4x + 10
slope: -4
y-intercept: 10
500
5)
Fill in the blanks:
The solution will be the point
( , ) where the two lines
________________
(x,y), intersect
500
10)
What is the solution to the system of linear equations?
No solutions
500
15)
What is the solution to the system of linear equations?
5x-20=y
y=60
(16,60)
500
-9x - 10y = 22
10x + 10y = -12
x = 10
y = -11.2
500
What is this value?
1.6 x 10^-6
0.0000016