Vocabulary
Solving by Graphing
Random
Knowledge
100
The point where two lines cross.
What is the intercept/intersect
100
Solve by graphing: y = x - 3 y = -x - 1
solution is (1,-2)
100

How many solutions does the equation 

2(x+10)-17=5+2x-2 

have?

Infinite 

100
In solving by graphing, how many lines do you need to graph?
At least two.
200
This is where you plot points of two lines to see where the two lines cross.
What is Solving by Graphing.
200
Solve by graphing: y = -2x - 1 y = x + 5
Solution is ( -2,3)
200

What does Mrs. Noble like more-- Algebra or Geometry?

Algebra

200

When graphed, if two lines are directly on top of each other, how many solutions is there?

Infinite

300

Define One Solution

Slopes are different, intercept one time, y-int can be the same or differnt.

300
Solve by graphing: y = 1/3x - 3, y = 4 - 2x
Solution is (3,-2)
300

When graphing an equation in y=mx+b form, what is the first step?

Identify the slope and y-intercept

300
Is (4,1) a solution of: x + 2y = 6, x - y = 3
Yes, (4) + 2(1) = 6 (4) - (1) = 3
400
When you solve a system of equations, your answer is a ...
A point, no solution, or infinite solutions
400
Lawn Care charges $30 per bag of mulch and a $30 delivery fee. Yard Depot charges $25 per bag of mulch and $55 for a delivery fee. At what number of bags is the cost the same?
Solution is 5 bags, $180.
400

What does the C stand for in DCMAM?

Combine Like Terms
400

If the slopes are the same and the y-intercepts are different, how many solutions does the system have?

No Solution

500
What is system of linear equations ?
Two equations
500
Anthony has $7 saved up and saves $1 more each week. Marc has $4 saved up and saves $2 more each week. When will they have the same amount saved up?
Solution is 3 weeks, $10
500

What is a proportional relationship?

A linear function whose y-intercept is 0.

500
Is (1,3) a solution of: 2x + y = 5, -2x + y = 4
No, 2(1) + (3) = 5 but -2(1) + 3 = 1, not 4
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