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## PowerPoint Slideshow about ' Jeopardy' - cheng

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Presentation Transcript

Jeopardy

Slope-Int.

Form

Slope and

Y-Intercept

Find Equation

of Line

// and Perp.

Lines

Misc.

Q $100

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Q $300

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Q $500

Final Jeopardy

$100 Answer from H1

- 1/6

$400 Answer from H1

-22.

$100 Answer from H2

False, y cannot be negative

$200 Question from H2

True or False:

In the equation y = mx + b, the m represents the y-intercept and the b represents the slope.

$200 Answer from H2

False

$300 Answer from H2

y = -2x + 3

$400 Question from H2

Convert the follow equation to slope-intercept form: -4x + 2y = - 12

$500 Answer from H2

y = 2.5x + 5

$100 Question from H3

Write an equation for a line in slope-intercept form with a slope of 6 and a y-intercept of -7.

$200 Question from H3

Write an equation for a line in slope-intercept form that has a slope of 2 and an x-intercept of 3.

$300 Question from H3

Write an equation for a line in slope-intercept form that passes through the point (4, 5) and has a slope of 3.

.

$400 Question from H3

Write an equation for a line in slope-intercept form that passes through the points

(6, 7) and (8, 21)

$400 Answer from H3

(21-7) / (8 – 6) = 14/2 = 7 = slope

7 = 6(7) + b

-35 = b

y = 7x – 35 or y = 7x + -35

$500 Question from H3

Write an equation for a line in slope-intercept form that passes through the points

(5, 6) and (7, -6)

$500 Answer from H3

(-6 – 6) / (7 - 5) = -12/2 = -6 = slope

6 = -6(5) + b

6 = -30 + b

36 = b y = -6x + 36

$100 Question from H4

True or false:

The following lines are parallel to one another.

y = 4x + 5

y = 4x - 6

$200 Question from H4

True or False:

The following lines are perpendicular to one another:

y = -0.5x + 2

y = 2x + 4

$300 Answer from H4

Variety! Slope must be the same.

$400 Answer from H4

Variety! Slope must be opposite reciprocal, so -2.5

$500 Answer from H4

y = 1/2x + 5 would be the converted form, so the perpendicular line would need to have a slope of 2x.

$100 Question from H5

True or False:

A line of best fit should have about the same number of points above and below the line.

$100 Answer from H5

True

$200 Question from H5

- True or False:
- When creating a line of best fit, you should connect all of the points with a line.

$200 Answer from H5

False, not making a line graph.

$300 Question from H5

True or False:

We can identify the y-intercept on a graph by seeing where the line crosses the

y-axis.

$300 Answer from H5

True, when x=0, what is y??

$400 Question from H5

True or False

The x-intercept can be found on a graph by identifying where the line crosses the x-axis.

$400 Answer from H5

True, when y=0, what is x???

$500 Question from H5

The Smith family recently adopted a new puppy. At 10 weeks old, the puppy weighed 7 pounds. At 19 weeks, the puppy weighed 16 pounds. Give the two ordered pairs and write the equation in slope-intercept form.

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