That one

I don't know

Just whatever

Simple/Comp Interest

Other

100

Find the value of the expression:

3^{5}

243

100

Which type of function is represented by the equation

y=7x^{2}+2?

Quadratic

100

State the domain and range of the function

f(x)=sqrt x

x = all non-negative real numbers,

yo= all non-negative real numbers

100

Namita borrowed $50,000 for 3 years at the rate of 3.5% per year. Find the interest accumulated at the end of 3 years.

$5,250

100

Use the Pythagorean theorem to find to find the unknown length.

If a=6 and b=10, then c=_____.

c = 11.7

200

Evaluate the square root of 64/225.

8/15

200

Give the expanded form of the factored quadratic

(x-3)(x+5)

x^{2}+2x-15

200

Given the functions

f(x)=2x-1

g(x)=x^{2}+1,

Find g(f(x)). Give your answer in expanded form.

g(f(x))=4x^{2}-4x+2

200

If you invest $1,000 at an annual simple interest rate of 5% for 3.5 years, how much interest will you earn?

$175

200

Simplify the expression.

(2x^{3} + 5x^{9}) - (42x^{9} + 5x) - 3x

2x^{3 }−37x^{9} −8x

300

Evaluate 2x-5+3x+8=18 for the given variable.

x=3

300

Give the factored form of the following expanded form quadratic.

24x^{2}-30x-9

3(2x-3)(4x+1)

300

Give the explicit formula for a sequence with the following terms:

{2, 6, 18, 54, 162}

a_{n}=2(3)^{n-1}

300

If you invest $1,000 at an annual compound interest rate of 4% for 3 years, how much will your investment be worth at the end of the period?

About $1,124.86

300

Simplify

2(4x - 3x^{3}) - 3(3x^{3} + 4x^{2}^{})^{ }

-15x^{3} -12x^{2} +8x

400

Find the rate of change for the set of values provided.

x_{1}=1, y_{1}=217

x_{2}=2, y_{2}=434

x_{3}=3, y_{3}=651

x_{4}=4, y_{4}=868

m=217

400

Solve the equation 100=8x^{2} for x. Your answer should be fully reduced and rationalized.

(5 sqrt 2)/2

400

Solve the equation for all possible values of x.

|8x+6|=46

x=5, x=-6.5

400

Mohammed is trying to invest $5,500. Which would he get more out money out of: 5% simple interest for 5 years, or 2.5% compound interest for 5 years? What's the difference?

Simple interest: earn $1,375

Compound interest: earn about $1722.70

Difference: about $652.30

In this situation, simple interest for longer is better.

400

Find the greatest common factor:

38 : 266

52 : 28

64 : 88

1) 38

2) 4

3) 8

500

Use the Pythagorean Theorem to find the unknown lengths.

If a=8 and b=15, c=_____.

c=17.

500

Solve for x in the equation. Your answer should be fully reduced and rationalized.

500=0.5(6)x^{2}

x=(10 sqrt 15)/3

500

The line of sight from a small boat to the light at the top of a 35-foot lighthouse built on a cliff 25 feet above the water makes a 25° angle with the water. To the nearest foot, how far is the boat from the cliff?

128 ft

500

You need to take out a student loan of $10,000 for college. You have two options:

- Discover Bank offers you a simple interest rate of 2% per year.
- Sallie Mae offers you a compound interest rate of 4% per year.

After 20 years, how much you will need to pay back for each option?

BONUS 100 PTS: What is the average monthly payment for each option for 20 years?

1) $14,000

2) $22,080

If you can, choose simple interest in this situation!

BONUS: 1) about $59 a month 2) about $92 a month

500

Pythagorean Theorem! km=kilometers

a=38km, b=173km, c=???km

Don't forget units...

c = about 177.11 kilometers