Cj´s project

Foil

100

What is the formula for FOIL?

(a+b)(c+d)=ac+ad+bc+bd

200

What does the acronym FOIL stand for?

F- first

O- outer

I- inner

L- last

300

Find the product of (y+8)(y+1).

y²+9y+8

400

Find the product of (x-10)(x-4).

x²-14x+40

500

Find the product of (4x-7)(x+3).

4x²+5x-21

Exponential Function

100

What is an asymptote?

A line that gets close to but never touches or crosses the line.

200

What is the exponential functions equation?

y=a*b^x

300

If b is greater than one is the function increasing or decreasing?

Increasing

400

If 0 is less than b and b is less than one is the function growth or decay.

Decay

500

Is y=2^x growth or decay?

Growth

Slope-intercept form

100

What is slope-intercept form?

y=mx+b

200

What does m stand for?

Slope

300

What does b stand for?

y-intercept

400

If the slope is 2 and the y-intercept is -l how do you type the equation.

y=2x-1

500

If the slope is -3 and the y-intercept is 2 then how do you type the equation?

y=-3x+2

Graphing Linear Equations

100

What is the first step to graphing linear equations?

Write the equation is slope-intercept form.

200

What is the second step to graphing linear equations?

Graph the y-intercept.

300

What is the third step to graphing linear equations?

Use the slope of the line to create more points.

400

What is the last step of graphing linear equations?

Use a ruler to draw a line that goes through the points and place an arrow at both end of the line.

500

What is the slope if y=-3x+1?

-3/1

Domain and Range

100

What is domain?

The x factors.

200

What is range?

The y factors.

300

Is {(2,2)(2,3)(2,4)(2,5)} a function?

NO.

400

Is {(1,2)(2,2)(3,2)(4,2)} a function?

Yes.

500

Is {(2,3)(3,6)(4,8)(5,10)} a function?

Yes.