Bell Ringer Write each equation in slope-intercept form.

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Presentation transcript:

Bell Ringer Write each equation in slope-intercept form. TODAY IS TUESDAY. DO NOT WRITE IN MONDAY’S SECTION. 6x + y = 7 3x + y = 8 5x – y = 22 y – 8x = 21 Bell Ringer

Test on Friday This test will cover: Section 8.6 - Slope Section 8.7 – Slope Intercept Form Section 8.8 – Writing Linear Equations Section 1.6 – Scatter Plots Section 8.9 – Prediction Equations

We are going over Friday’s Quiz

Section 8.9 – Prediction Equations R drive > Key > Jan 19_23 > 1_20__8.9 Prediction Equations File > Save As > P drive > Math > Jan 19_23 > 1_20__8.9 Prediction Equations

Line of fit – a line that is very close to most of the data points Vocabulary Line of fit – a line that is very close to most of the data points

Example 1 Make a Prediction from a Line of Fit

Example 2 Make a Prediction from a Line of Fit

Example 3 – Your Turn Make a Prediction form a Line of Fit

Example 4 (As an Exit Slip) Make a Prediction from a Line of Fit

Homework Section 8.9 # 1-3, 5

Homework Section 8.9 # 1-3, 5

Homework Section 8.9 # 1-3, 5 Use the line of fit to predict the amount that the government will spend on space and other technology in 2016.

When you are finished…. you may play games at any of THESE SITES ONLY When you are finished….you may play games at any of THESE SITES ONLY!!! These games will help you review for Friday’s test. Hoop Shoot: http://www.math-play.com/slope-intercept-game.html Algebra vs. the cockroaches: http://hotmath.com/hotmath_help/games/kp/kp_hotmath_sound.swf Save the zogs: http://www.mathplayground.com/SaveTheZogs/SaveTheZogs.html Battleship: http://www.quia.com/ba/92818.html Rags to Riches: http://www.quia.com/rr/108808.html