Today: Review for Final Exam

June 14, 2015

Warm-Up Section of Notebook

1.

𝐱=±𝟐√𝟔

Final Exam Review:

Final Exam Review:

Rational Expressions vs. Equations

Rational Expressions Rational Equations

and,

finally

(5, 4) (4, 6)

If one of the coordinates is missing, and the distance is given, the result will be a quadratic equation

x = 5 ±35

Distance & Mid-Point

Radical Operations & Equations

Last week a store sold six more than three times the number of CD’s sold this week. A total of 110 CD’s were sold during the two weeks.

What is the best method to use to solve this system of equations?l + t = 110; l =

3t + 6 this week: 26; last week: 84

Let ‘t’ represent this week and ‘l’ represent last week.

Systems of Equations

Inequalities

Write the inequality shown below:

3 2x 7 13-2 x8 4x

x < - 2

||

2    0

Solve & Graph

Use the Standard Form of the equation.

 

Answer in reduced fraction form: What is 22% of ?

Fractions, Decimals, Percent

y > ½x - 3

Final Exam Review:

Word Problems:Mixture, Coin, Work,

Distance

Mixture Type Problems

A store mixes some candy worth $3.50 a pound with other candy costing $1.00/lb. There are 10 more pounds of the cheaper candy than the more expensive one. The total value of the mixture is $28. How many pounds of each type of candy are there? What is the per pound cost of the new candy mix?

Expensive

$3.50/ lb x lbs.

3.5x

Cheaper

$1.00/ lb x + 10

lbs.1(x + 10)

Mix

+ =

3.5x + 1.0x +10 = 28

x = 4; x + 10 = 14

$28

Mixture Type Word Problems:

Mixture Type Word Problems:

Redtop

$9.50/ lb 40 lbs. $9.50(40)

Mixture

$10.50/ lb 60 lbs. $10.50(60)

Bluegrass

x

100 lbs.

100x

$9.50(40) + $10.50(60) = 100x

x = $10.10

Gourmet

$8.00/ lb

10 lbs. $8.00(g)

$6.00/ lb

Regular

$6.75/ lb

g lbs. (10 - g) lbs. $6.00 (10 -

g)

Mixture

$6.75(10)

g = 3.75; r = 6.25

+ =

Class Work: See Handout

A rescue helicopter and an ambulance are both traveling from the scene of an accident to the hospital. Each grid line is 1 mile; the solid line represents the ambulance, the dotted line, the helicopter.

How far did each travel?