Review Lesson 8-1: Suppose that x and y vary inversely . Match a modeling function from the left with each inverse variation on the right and find y when x = -5.
When
When
When
Inverse variation: x = 2 when y = 12.
Inverse variation: x = 25 when y = 2.
Inverse variation: x = 12 when y = 4.
Review Lesson 7.1: Without graphing, determine and indicate whether each function on the right represents exponential growth or exponential decay. Also, determine and indicate the y-intercept of each function on the right.
y-intercept: 0.1
y-intercept: 5
y-intercept: 3
Exponential growth
Exponential decay
Review Lesson 6-3: Identify the product of each expression on the left. Match each expression with its product on the right.
Review Lesson 4-4: Factor the quadratic expression.
Enter only an expression.
Review Lesson 4-4: Factor the quadratic expression.
Enter only an expression.
Vocabulary Review: Identify the reciprocal(s) from the list.
Vocabulary Review: Classify each statement as eitherTrue or False.
The reciprocal of a positive number is positive.
The reciprocal of a negative number is positive.
A negative number has no reciprocal.
The reciprocal of 0 is undefined.
True
False