Math the Only Game that Counts

Function or Not?

100

If a vertical line is drawn through a line and it only touches one point, is the line a function?

Yes

200

If each input has only 1 output is the relation a function?

Yes

300

If each input has more than one output is the relation a function?

No

400

Are the points (0,0)(1,0)(2,0)(0,1) a function?

No

500

Are the points (1,1) (2,1) (3,1) (4,7) a function?

It is a function

Find the Slope

100

What is the formula for slope?

(y2-y1)/(x2-x1)

200

What is the equation of a line with the slope of 0 and the point (0, 5)?

y=5

300

What is the slope of a line if the coordinates are (5,0) and (5,5)?

The slope is undefined

400

What is the slope of y=mx+5 if one point on the line is (5,20)?

The slope is 3

500

The coordinates for a line are (1,7) and (4,9). What is the equation of the line? (In slope-intercept form)

y=2x/3 + 19/3

Growth or Decay?

100

Does the function y=5(3)^x represent growth or decay?

Growth

200

If in the function y=a(b)^x b<1, does the function represent growth or decay?

Decay

300

If in the function y=a(b)^x b>1, does the function represent growth or decay?

Growth

400

Is the function y=3(0.99)^x growth or decay?

It is decay

500

Is the function y=5(1)^x growth, decay, or neither?

Neither

Convert to Standard Form

100

Convert y=5x+4 into standard form 

y-5x=4

200

Convert y=3x/4 + 5/4 into standard form

4y-3x=5

300

Convert 3y/4=x/2+7/6

9y-6x=14

400

Convert 1/2(y+4)=2/3(x+2)+4/7(3) into standard form

21y-28x=44

500

Convert 2(y+4)=5(x+3)+3(y+5)+7(x+y)+2 into standard form

12x + 8y = -24

Characteristics of Quadratics

100

What is the y-intercept of the equation y=2x²+5x+7

(0,7)

200

What is the axis of symmetry of a parabola if the vertex is (2,10)

x=2

300

What are the x-intercept(s) in the function y=x²-2x+1

The x-intercept is (1,0)

400

In the equation y=a(x-h)²+k what is the vertex?

(h,k)

500

if a is negative does the parabola have a maximum or a minimum?

A maximum