+

7th grade SkillsIrrational/Rational NumbersSlope Intercept Form (Equation of a Line)Direct/Inverse VariationProbability

+Do Now

Identify whether the #s are rational or irrational.

A. ¾ B. Pi C. 7

What is the slope of the line given by the following equation?

y=2.5x−7

Which equation shows inverse variation and which one shows direct variation?

Today

+Rational & Irrational Numbers

Any Integer (whole #s)

Can be represented as a ratio or two integers

Any non terminating number

Can be written as a decimal, but not a fraction

Rational Irrational

+Slope Intercept Form y=5x+3

math/cc-eighth-grade-math/cc-8th-linear-equations-functions/8th-slope-intercept-form/v/graphing-a-line-in-slope-intercept-form

+Slope Intercept Form

What is the slope of the line given by the following equation?

y=6.2x+13.3

y= −20.375+101.25x

y= 5x+3

y= −2x + 6

https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-linear-equations-functions/8th-slope-intercept-form/v/graphing-a-line-in-slope-intercept-form

+Equation of a Line

+Equation of a Line

+Direct & Inverse Variation

+Direct & Inverse Variation

https://www.khanacademy.org/video/direct-and-inverse-variation

Direct Variation = Y= kx y varies directly with x

Indirect (Inverse) Variation = Division = Y = k(1/x)

https://www.khanacademy.org/video/recognizing-direct-and-inverse-variation

+Inverse Proportional Relationship

+Relationships

+Inversely Proportional Relationship

+Probability

https://www.khanacademy.org/video/making-predictions-with-probability

Cam is going to roll a fair 6-sided die 2400 times. What is the best prediction for the number of times that Cam will roll the number 4?

+Probability

Jeremy is going to roll a fair 6-sided die 180 times. What is the best prediction for the number of times that Jeremy will roll a number greater than 4?

+Probability

+Probability

+Probability

+Probability