What's the Solution
Solve
Formula
Graph Features
Spiral Math
100
(-2,1)
100
(2, 2)
100
In the Formula: y=mx+b
What is the variable that represents slope?
m
100
The point where these lines intersect is called the what
The Solution
100
Solve for x
7x = 21
x=3
200
How many solutions are there?
No Solutions
200
Solve the systems of equations using substitution:
y = 2x + 2
y = 5x - 7
(3,8)
200
In the Formula: y=mx+b
What is the variable that represents the y-intercept?
b
200
The name of the horizontal number line is
The x-axis
200
Is this a Function? Why or Why Not
Not a Function. It does not pass the Vertical Line Test
300
(3,-1)
300
Solve the systems of equations using substitution:
y = 5x + 9
4x + 6y = 20
(-1, 4)
300
What is the slope of
y= 7x+9
m= 7
300
The name of the vertical line is the
the y-axis
300
Is this a Function? Why or why not.
Not a Function. The 5 has two outputs, 4 and 7.
400
How many solutions are there?
Infinitely Many Solutions
400
Solve the systems of equations using Elimination:
14x + 2y = 26
-14x - 6y = -50
(1, 6)
400
What is the y-intercept in
y=8x+1
b=1
400
What are the numbers along the axis called?
Scale
400
Solve for x
5 = 6x - 25
x = 5
500
How many solutions are there?
One Solution
500
Solve the systems of equations using Elimination:
9x + 3y = -15
-18x - 6y = 30
Infinitely Many Solutions
500
What is the equation of this line:
y = -2/3 x + 5
500
The proper name for (2,3)
Coordinate Pair
500
Solve for x:
2(x − 4) = 6x + 8
x = -4