8th Grade Geo

8th Grade Graphing

Slope

Unit Rates and Proportions

Trivia

100

Moving a figure down 2 units and right 3 units is called a....

What is translation

100

The number that doesn't fit the data set is called an...

outlier!

100

Rise over run is also known as...

What is slope

100

Billy ate 120 hotdogs in 10 hours. How many hotdogs per hour did he eat?

12 hotdogs / hour

100

What is Mr. Lopez's dog's name?

Davy Jones

200

Flipping a figure over the y-axis is called...

What is reflection?

200

A line going up and do the right would have a _______ slope.

Positive

200

The slope of the line with the points (4,0) and (6,0)

Slope = 0

200

A 2ft tall tree was planted in Mr. Smith's backyard. every year the tree grew 1.5ft. Is this an example of a proportional relationship? Explain.

No. The tree was already 2 ft when it was planted.

200

If a line is parallel to another, it has _____ solutions

no solutions

300

Turning a figure 90 degrees clockwise about the origin

What is rotation?

300

What is the formula for the constant of proportionality?

y/x=k

300

y = 3x + 2. What is the slope?

Slope = 3

300

A car going at a constant speed of 65 mph traveled for 6.5 hours. How many miles did the car travel in that time?

422.5 miles

300

Say this number out loud: 143,286,394,990.12

Verbal

400

The collective term for translations, reflections, and rotations and dilations

What is transformations?

400

What are the names of the vertical and horizontal axes of a graph?

Vertical = y axis

Horizontal = x axis

400

Rewrite the following equation in slope intercept form:

6x + 3y = 18

y = -2x + 6

400

Sammy's Kayak rental company charges $15 to rent a kayak then an additional $5/hour.

Jorge's Kayak rental company charges $8/hour to rent a kayak.

Which company would be cheaper if you rented for 4 hours?

Jorge's would cost $32 wile Sammy's would cost $35.

Jorge's is cheaper

400

Another name for the average rate of change.

What are slopes?

500

Point A(7, 4) is rotated 180 clockwise around the origin (0, 0). What is the coordinate now?

A'(-7, -4)

500

y = 1/3x - 3

Name each part of the equation

y: output

1/3: slope

x: input

-3: y-intercept

500

What is the point-slope formula? (Formula used to solve for the slope when given two points)

y_{2 - }y_{1 }/ x_{2 - }x_{1}

500

First grade student Josh measured his heights every month for a year.

Josh: Starting height 36 inches. End height 48 inches. What is Josh's unit rate in Inches/month?

1 inch/month

500

What year was Friday Harbor founded?

1909