Which set shows greater variability?
Compare each set of data. Determine which set shows
greater variability
Set A
5, 8, 9, 10, 12, 15, 16, 20
Set B
24, 34, 37, 42, 56, 57, 65
Which measure provides greater variability for the set
you chose?

Factor the polynomial by its greatest common monomial factor.

Statement reason 1. δabc is similar to δced. given 2. 3. definition of slope 4. slope of slope of definition of slope 5. slope of × slope of multiplying the slopes 6. slope of × slope of substitution property of equality 7. slope of × slope of simplifying the right side the table contains the proof of the relationship between the slopes of two perpendicular lines. what is the reason for statement 2? a. parallel line segments that meet a common perpendicular line are proportional in length. b. the lengths of vertical and horizontal sides in congruent triangles are in a common ratio. c. trigonometric identities determine the lengths of the legs in a right triangle. d. corresponding side lengths in similar triangles are proportional in length.

Jeremy wants to determine the number of solutions for the equation below without actually solving the equation.