Warm up – Solve
description
Transcript of Warm up – Solve
![Page 1: Warm up – Solve](https://reader035.fdocuments.us/reader035/viewer/2022062501/568160c4550346895dcff176/html5/thumbnails/1.jpg)
Warm up – Solve
2
2
2
Quadratic Formula or Comple
1. 4 5 6
te the
4
2. 6 15Squar
18
3. 3
Take square root
6 24 0 Facto
s
e
r
x
x x
x x
5 4x i
3 2 3x
4 2x x
![Page 2: Warm up – Solve](https://reader035.fdocuments.us/reader035/viewer/2022062501/568160c4550346895dcff176/html5/thumbnails/2.jpg)
Questions over hw?(worksheet)
![Page 3: Warm up – Solve](https://reader035.fdocuments.us/reader035/viewer/2022062501/568160c4550346895dcff176/html5/thumbnails/3.jpg)
Question of the Day
EOCT Review
![Page 4: Warm up – Solve](https://reader035.fdocuments.us/reader035/viewer/2022062501/568160c4550346895dcff176/html5/thumbnails/4.jpg)
CCGPS GeometryDay 55 (10-29-13)
UNIT QUESTION: How are real life scenarios represented by quadratic functions?
Today’s Question:How do we solve quadratic inequalities?Standard: MCC9-12..A.CED.1, A.REI.4
![Page 5: Warm up – Solve](https://reader035.fdocuments.us/reader035/viewer/2022062501/568160c4550346895dcff176/html5/thumbnails/5.jpg)
Paula’s PeachesRevisited
![Page 6: Warm up – Solve](https://reader035.fdocuments.us/reader035/viewer/2022062501/568160c4550346895dcff176/html5/thumbnails/6.jpg)
Peach Yield
For what number of trees will Paula have more than 18,000 peaches per acre?
For what number of trees will Paula have less thann 18,000 peaches per acre?
![Page 7: Warm up – Solve](https://reader035.fdocuments.us/reader035/viewer/2022062501/568160c4550346895dcff176/html5/thumbnails/7.jpg)
Basketball
![Page 8: Warm up – Solve](https://reader035.fdocuments.us/reader035/viewer/2022062501/568160c4550346895dcff176/html5/thumbnails/8.jpg)
Solving Quadratic
Inequalities Algebraicall
y
![Page 9: Warm up – Solve](https://reader035.fdocuments.us/reader035/viewer/2022062501/568160c4550346895dcff176/html5/thumbnails/9.jpg)
Solve Quadratic Inequality
1. Put in standard form2. Change the inequality to =3. Factor & Solve4. Graph the solutions (open
circle for <> and closed circle for
≤≥)5. Test 3 values (one in each
section)6. Shade when TRUE7. Write the answer as an
inequality
![Page 10: Warm up – Solve](https://reader035.fdocuments.us/reader035/viewer/2022062501/568160c4550346895dcff176/html5/thumbnails/10.jpg)
Answers will look like:
ANDsmallest number x largest number
ORsmallest number or x largest numberx
![Page 11: Warm up – Solve](https://reader035.fdocuments.us/reader035/viewer/2022062501/568160c4550346895dcff176/html5/thumbnails/11.jpg)
1. Solve and graph.
2 12 0x x
4 3 0x x 4 3x x
?2 27 1 07 TRUE
?2 10 00 2 FALSE
?2 15 05 2 TRUE
4 3x or x
![Page 12: Warm up – Solve](https://reader035.fdocuments.us/reader035/viewer/2022062501/568160c4550346895dcff176/html5/thumbnails/12.jpg)
2. Solve and graph. 216 10x x
8 2 0x x 8 2x x
? 2016 10 0 FALSE
? 2516 10 5 TRUE
? 21016 10 10 FALSE 2 8x
2 10 16 0x x
![Page 13: Warm up – Solve](https://reader035.fdocuments.us/reader035/viewer/2022062501/568160c4550346895dcff176/html5/thumbnails/13.jpg)
3. Solve and graph. 22 84 26x x
2 7 6 0x x 7 6x x
?22 48 8 26 8 TRUE
?22 84 26 5 6. 6.5 FALSE
?22 840 26 0 TRUE
7 or 6x x
22 26 84 0x x
![Page 14: Warm up – Solve](https://reader035.fdocuments.us/reader035/viewer/2022062501/568160c4550346895dcff176/html5/thumbnails/14.jpg)
4. Solve and graph. 20 2 3x x
1 3 1 0x x 3 1x x
1 or 3x x
21 2 3 0x x
![Page 15: Warm up – Solve](https://reader035.fdocuments.us/reader035/viewer/2022062501/568160c4550346895dcff176/html5/thumbnails/15.jpg)
5. Solve and graph.
22 3 5x x
2 5 1 0x x 5 or -2.5 12x x
2.5 or 1x x
22 3 5 0x x
![Page 16: Warm up – Solve](https://reader035.fdocuments.us/reader035/viewer/2022062501/568160c4550346895dcff176/html5/thumbnails/16.jpg)
6. Solve and graph.
22 12 16x x
2 4 2 0x x4 2x x
2 or 4x x
22 12 16 0x x
![Page 17: Warm up – Solve](https://reader035.fdocuments.us/reader035/viewer/2022062501/568160c4550346895dcff176/html5/thumbnails/17.jpg)
7. Solve and graph.
23 2 1 0x x
3 1 1 0x x 1 13x x
11 or 3x x
23 2 1 0x x
![Page 18: Warm up – Solve](https://reader035.fdocuments.us/reader035/viewer/2022062501/568160c4550346895dcff176/html5/thumbnails/18.jpg)
8. Solve and graph.
22 5 2x x
2 1 2 0x x 1 22x x
12 2x
22 5 2 0x x
![Page 19: Warm up – Solve](https://reader035.fdocuments.us/reader035/viewer/2022062501/568160c4550346895dcff176/html5/thumbnails/19.jpg)
CW/HWWorksheet
12 problems