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Fun with Equations
Who Knows
Math Rocks
Functions
100
Solve: 2x + 2 = 18
x = 8
100
Algebra: What is the point-slope form of a linear equation: Prealgebra: (2/5) divided by (-3/5)
Algebra: y - ycoordinate = m(x - xcoordinate) Prealgebra: -2/3
100
Find the slope: y = 3x + 5
3
100

When looking at a graph, what test shows me whether the graph is a function or not? 

vertical line test

200
Solve: 3x + 4 = 7
x = 1
200
What property is shown: 7 + x = x + 7
Commutative Property of Addition
200

What is the standard form of a linear equation? 

What is the slope intercept form of a linear equation?

Standard: Ax + By = C

 Slope-Intercept: y = mx + b

200

Domain consists of ____ values and range consists of _____ values

x values (inputs)

y values (outputs)

300
Solve: 3x + 3 - 2x = 21
x = 18
300
Solve: (3x-5)/4 = 5
x = 25/3
300
Solve: (3 - 3x)/7 = 6
x = -13
300

What is the domain of this function? 

{(3, 2), (5, 4), (-2,6), (0,3)}

{-2, 0, 3, 5}

400
Solve: 4x - 5 - 3x + 2 - 2x = 9
x = -12
400
Simplify: -4(3x - 2) -2(4 + 3x)
-18x
400
Simplify: 22p - 7p + 19 - 15 - 12
15p - 8
400
Is the relation a function? 

{(-2,4), (0,0), (2,1), (4,4)}

yes

500
Solve: 21 = x - 12
x = 33
500

solve for x and graph the inequality:

4-2x<12

x>-4

*graph open circle shaded to the right*

500

Write the slope-intercept form of the linear equation for the line passing through (4,9) (5,4)

y=-5x+29

500

Is the relation a function? Why or why not? 

{(-3,1), (-2,2), (1,4), (-2,4), (0,5)}

no, repeats the x-value -2