Chapter 7 - Exponents Question Preview (ID: 45583)


Topics Covered In Algebra 1 Chapter 7. TEACHERS: click here for quick copy question ID numbers.

What is the area of a square with a side of 5x inches?
a) 5x^2 inches squared
b) (5)x^2 inches squared
c) (5x)^2 inches squared
d) None of the options shown

What is 35,000 in scientific notation?
a) 35 x 10^3
b) 3.5 x 10^3
c) 35 x 10^-3
d) 3.5 x 10^4

What does it mean for a term to have a negative exponent?
a) You are dividing by the same factor the number of times as in the exponent.
b) The term belongs in the opposite part of the fraction (top or bottom) it is currently in.
c) Both are correct
d) Neither is completely correct

Solve 3^(2x) = 27^(4/3)
a) 2/3
b) 2
c) 4
d) 8

Light travels about 2.9979 x 10^8 m/sec. About how long would it take light from the sun 1.5 x 10^11 meters from Earth to arrive?
a) 5.0 x 10^2
b) 5.0 x 10^3
c) 2.0 x 10^-3
d) 2.0 x 10^-2

For what expression is 3xy^3z^6 the square root? Hint: What is the power of a square root? Make that the power on each answer choice and see which matches the problem.
a) 3x^2y^6z^12
b) 6xy^3z^6
c) 9x^3y65z^8
d) 9x^2y^6z^12

Which equation represents the nth term of the arithmetic sequence -6, -1, 4, 9, ... ?
a) an = -5n + 11
b) an = -5n - 1
c) an = 5n - 1
d) an = 5n - 11

What is the rate isotopes are lost for the equation 345(0.45)^4?
a) 0.45
b) 45%
c) 55%
d) 4%

What does the number 6 represent in the following compound interest formula? 6(1 + .3/2)^20
a) 6 years
b) $6 was originally deposited in the account.
c) The interest compounds 6 times each year.
d) The interest rate is 6%.

A regular prism has a length 3t^7, width t^2z^4, height 9z^8. What is the volume?
a) 27t^14z^32
b) 27t^9z^12
c) 3t^14z^12
d) 39t^72z^48

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