Unit Test — Unit test Answers

Which of the following is the graph of f(x) = 3|x – 4| + 1?

Which statement is true about ?

On a coordinate plane, an absolute value graph has a vertex at (negative 4, negative 2).

At a pumpkin patch, if Armando guesses the weight of his pumpkin within 0.3 pounds, he gets to take the pumpkin home for free. If his pumpkin weighs 4.9 pounds, which two equations can be used to find the minimum and maximum weights he can guess in order to get his pumpkin for free?

Which describes the range of the parent absolute value function?

What is the solution, if any, to the inequality ?

Which of the following gives a single solution of the inequality and shows a graph that can be used to determine the entire solution set of the inequality?

What is the solution to 3|–3x + 9| = –18?

Which is the graph of reflected across the x-axis, translated 3 units left, 4 units up, and dilated by a factor of 4?

Given the function f(x) = –5|x + 1| + 3, for what values of x is f(x) = –12?

Which graph shows the solution to the inequality ?

Fuaad solved an absolute value inequality and expressed the solution as . What is another way to show Fuaad’s solution?

What is the vertex of the graph of f(x) = |x + 3| + 7?

Manuela solved the equation 3−2|0.5x+1.5|=2 for one solution. Her work is shown below.3−2|0.5x+1.5|=2 −2|0.5x+1.5|=−1 |0.5x+1.5|=0.5 0.5x+1.5=0.5 0.5x=−1 x=−2

Laurie is trying to stay within 10 feet of her current diving depth of –30 feet (with regard to sea level) so that the light is still good but she can be close to the sea life during her scuba dive. Which two equations can be used to find the minimum and maximum depths Laurie wants to stay between?