Semester 1 Final Review #1

The Slopes

100

The slope of the line passing through (1, 3) and (4, -9)

-4

200

The slope of a horizontal line

0

300

The slope of the line passing through the points (-3, -1) and (7, -3)

-1/5

400

The slope of a vertical line

Undefined

500

The slope of the line represented by the equation 4x-7y=14

4/7

S-I and P-S and Standard, Oh My!

100

The general form of the equation y-3=2(x+1)

Point-Slope

200

The slope of the line y=-2/3x+6

-2/3

300

The point on the line shown by the equation y+5=3x

(0, -5)

400

Write an equation in point-slope form that goes through the point (-2, 4) and has a slope of -1.

y-4 = -(x+2)

500

Write the equation, in slope-intercept form, of the line that passes through the points (-2, 2) and (0, 8).

y=3x+8

Solve that System

100

4x-3y=3

x-3y= -6

(3,3)

200

y=3x-7

y=5x+3

(-5, -22)

300

y= -5/3x+2

y= -5/3x-1

No solution

400

2x+5y=7

-6x-15y= -21

Infinitely many solutions

500

-2x+y=3

3x-2y=3

(-9, -15)

Simply and Literal-ly Solving

100

-10-9(7m-6)

-63m+44

200

-7(8-2r)+10

14r-46

300

u=a+k-b, solve for a

a=b-k+u

400

u=xy/k, solve for x

x=uk/y

500

n=hk/d, solve for d

d=hk/n

Quick Evals

100

Find f(3) when f(x)=x+3.

f(3) = 6

200

Find f(-2) when f(x)=3x-3.

f(-2) = -9

300

Find g(-4) when g(x)=2x/-2.

g(-4) = 4

400

Find f(1)-g(2) when f(x)=x+4 and g(x)=2x-3.

f(1)-g(2) = 4.

500

Find h(3)/g(3) when g(x)=5x and h(x)=x². Simplify if necessary.

h(3)/g(3) = 3/5