Transcript Bell Ringer
Write each equation in slope-intercept form.
TODAY IS TUESDAY. DO NOT WRITE IN MONDAY’S
SECTION.
1.
6x + y = 7
2.
3x + y = 8
3.
5x – y = 22
4. 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
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!!! 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_hot
math_sound.swf
Save the zogs:
http://www.mathplayground.com/SaveTheZogs/SaveT
heZogs.html
Battleship: http://www.quia.com/ba/92818.html
Rags to Riches: http://www.quia.com/rr/108808.html