Unit 2 Semester 1 Review Day 2

Front

Solve for x: 2|x-4| = 6. Write your answer with a comma between both numbers.

Back

1, 7

Front

Zed estimated there would be 350 chips in a bag but found only 210. What was his percent error?

Back

40%

Front

Choose the equation g(x) obtained by performing the transformations on f(x) = |x|: f is vertically stretched by a factor of 8 then translated left 2 units.

Back

g(x) = 8|x + 2|

Front

A box of cereal has a net weight of 25 ounces, varying by 1.2 ounces. Write the absolute value equation for the allowed weight.

Back

|x - 25| = 1.2

Front

A jewelry store sells necklaces from 16 inches to 22 inches. Write an equation for the minimum and maximum lengths.

Back

|x - 19| = 3

Front

What is the definition of absolute value?

Back

The absolute value of a number is its distance from zero on the number line, regardless of direction.

Front

How do you calculate percent error?

Back

Percent Error = |Estimated Value - Actual Value| / Actual Value * 100%.

Front

What does it mean to vertically stretch a function?

Back

To vertically stretch a function means to multiply the function's output by a factor greater than 1, making it taller.

Front

What is the midpoint formula for a range?

Back

Midpoint = (min + max) / 2.

Front

What is the formula for maximum distance in absolute value equations?

Back

Maximum Distance = (max - min) / 2.