CBA2 Review Day 1

CBA2 Review Day 1

Similar Triangles, Slope from a graph

Multiple Choice

The smaller triangle and the larger have the same SLOPE

• true because both of their hypotenuses (longest side of the triangle) are both on the same line

• false because they're both different sizes

Fill in the Blanks

What is your slope? (remember to reduce your fraction)

Multiple Select

I can find slope by...

• finding the rise over the run from 2 points on the slope line

• using the formula

  ^y2-y1/_x2-x1

• just count the distance from 2 points on the slope line

• making a triangle to help me figure out my rise and my run

Rise over Run

Find your 2 closest points on the slope. (look for where the line crosses the corners)

Make a Triangle to count how far up or down you go and then how far you travel left or right

Write your slope as a fraction. The distance you go up or down goes in the numerator (top) and the distance traveled left or right goes in the denominator (bottom)

Change of x over change of y

• Find any 2 coordinates on your slope line

• label your first point x1 and y1 and your second point x2 and y2

• Subtract your y's (y2 and y1)

• Subtract your x's (x2 and x1)

• Your result will be a fraction (sometimes a whole number)

• Example: 2/1 is just 2

Multiple Choice

How would you plug in your 2 coordinates into the slope formula?

• (10 - 3)  $\div$  (6 - 10)

• (3 - 10)  $\div$   (10 - 6)

• (6 - 10)  $\div$  (10 - 3)

Multiple Choice

How would you plug in your 2 coordinates into the slope formula?

• (2 - - 3) $\div$ (-4 - - 4)

• (-3 - - 4) $\div$ (2 - - 4)

Multiple Choice

Find the slope given the points (3,18) and (0,18). 

• undefined
• 0
• 22
• 6

Multiple Choice

Find the slope given the points (3,2) and (4,7).

• 4

• 5

• -5

• 1/5

Multiple Choice

• 2/12

• 2/2

• -2/12

• -2/2

Multiple Choice

• 0/3

• -6/3

• -6/7

• 6/3

Multiple Choice

What is the slope formula?

Multiple Choice

Find the slope of the line.

• 1/4
• -1/4
• -4/1
• 4/1

Multiple Choice

Find the slope of the line.

• -2/1
• 2/1
• -1/2
• 1/2

Multiple Choice

Find the slope

• -2/3
• 3/2
• -3/2
• 2/3

Multiple Choice

Find the slope

• -5/3
• -3/5
• 5/3
• 3/5

Multiple Choice

Which of the following statements is tue?

• The small triangle's slope is smaller

• Both triangles have different slopes

• Both triangles have the same slope