CB Round Up #2 (11-20)

Identify the irrational numbers.

• 6 and 7

• 3 and 4

• 2 and 3

• 12 and 13

• 3 goldfish
• 4 goldfish
• 5 goldfish
• 6 goldfish

An 8 week old puppy weighed 7lbs. After 4 weeks, he weighed 19lbs. Find the rate of change in the puppy's weight.

• 3 lbs/week
• 4 lbs/week
• 2 lbs/week
• 1 lb/week

• A'(-1, 3), B'(-5,2), C'(-2,1)

• A'(1, -3), B'(5,-2), C'(2,-1)

• A'(-1, -3), B'(-5,-2), C'(-2,-1)

• A'(1, 3), B'(5,2), C'(2,1)

True or False?

If a triangle is equilateral, then all of the side lengths are congruent.

• True

• False

If a scatter plot shows a positive association, what do you know about the slope of the line of best fit?

• The slope of the line of best fit is negative
• The slope of the line of best fit is zero
• The slope of the line of best fit is positive
• The slope of the line of best fit is undefined

If a scatter plot shows a negative association, what do you know about the slope of the line of best fit?

• The slope of the line of best fit is negative
• The slope of the line of best fit is zero
• The slope of the line of best fit is positive
• The slope of the line of best fit is undefined