Algebra 1 Midterm Review

Front

What is the decay factor for a car valued at $15,000 that depreciates at a rate of 8% per year?

Back

.92

Front

What is the first step in solving the equation 7v + 15 = 4(5v + 7)?

Back

Distribute 4: 7v + 15 = 20v + 28

Front

Solve for x in the equation: x = by + v.

Back

x = by + v

Front

What is the common difference of the sequence -8, -5, -2, 1, 4, 7, ...?

Back

3

Front

If n is an even integer, which equation can be used to find three consecutive even integers whose sum is 54?

Back

n + (n+2) + (n+4) = 54

Front

Define the term 'decay factor' in the context of depreciation.

Back

The decay factor is the multiplier used to calculate the value of an asset after depreciation, calculated as 1 minus the depreciation rate.

Front

What is the formula for finding the sum of an arithmetic sequence?

Back

The sum S of the first n terms is given by S = n/2 * (first term + last term).

Front

How do you find the common difference in an arithmetic sequence?

Back

The common difference is found by subtracting any term from the subsequent term.

Front

What is the general form of an equation for consecutive even integers?

Back

n, n+2, n+4 where n is an even integer.

Front

What does it mean to distribute in algebra?

Back

To distribute means to multiply each term inside parentheses by the term outside.