Chapter 9 TEST

Pre Algebra pt.1

100

Write the expression using exponents

4

4¹

200

Evaluate the expression

2 x 4³

128

300

Factor the Monomial

63

3² x 7

400

Evaluate the expression if w= -3/4 and y=1

w³ + y²

37/64

500

Adult humans have 2­­⁵ teeth. How many teeth do Adults have?

32 Teeth

Pre Algebra pt.2

100

Find the product

y⁸ x y

y⁹

200

Find the quotient

k¹⁰/k⁴

k⁶

300

Find the product

(5a³)(-6a⁴)

-30a⁷

400

Factor the Monomial

-25ab²

-1 x 5 x 5 x a x b x b

500

If 1 millimeter is equal to 10^-3 meters and 1 nanometer is equal to 10^-9 meters, how many nanometers are in one millimeter? Write using a positive exponent.

10⁶

Pre Algebra pt.3

100

Write the expression using a positive exponent.

9^-4

1/9⁴

200

Express the number in standard form

9 x 10^-2

0.09

300

Express the number in scientific notation

0.000561

5.61 x 10^-4

400

Simplify.

(3x⁷)²

9x¹⁴

500

A school distrct's spending on students over the last five years is represented by the equation y=325x² + 0.2x + 1427. Is this equation Linear?

NO

Algebra pt.1

100

Determine whether the function has a minimum or maximum value.

y = -x² + 2

Maximum

200

State the minimum or maximum Value of

y = x² - 4x + 4

0

300

Describe how the graph of the function is related to the graph of f(x) = x²

f(x) = x² - 3

Shifted down 3 units

400

Solve the equation by completing the square.

y² - 6y + 2 = 0

5.6, 0.4

500

A ball is thrown off a cliff that is 100 ft high. The function h = -16t² + 100 models the height h of the ball after t seconds. Compare the graph of this to the graph of h = t².

reflected across the x-axis, vertically compressed, and shifted up 100 units

Algebra pt.2

100

Solve the equation using the quadratic Formula. 

x² - 8x = 20

-2, 10

200

Find the final value of an investment if $2,000 is invested at an interest rate of 3% compounded quarterly for 8 years.

$5250.22

300

Find the next 3 terms in the geometric sequence.

3, 9, 27, ...

Then, Write an equation for the nth term of the geometric sequence.

81, 243, 729

a_n = 3(3)^n-1

400

 Look for a pattern in the table of values to determine which model best describes the data. Then write an equation for the function that models the data.

X  0  1   2    3    4 

Y  0  3  12  27  48

Quadratic

y = 3x²

500

Shelly's investment of $3000 has been losing value at a rate of 3% each year. What will her investment be worth in 6 years?

$2498.92