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# Final project algebra 2

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### Final project algebra 2

1. 1. Final Project Christina Kieffer Period 1 Algebra 2Thursday, June 2, 2011
2. 2. Linear...Thursday, June 2, 2011
3. 3. Prediction with a line When writing an equation given two points, you ﬁrst have to plug your points into the slope formula. ( ) After you get those numbers you have to plug them into the point slope formula ( ) Now you have the form of y=mx+b, plug in your prediction for x and solve.Thursday, June 2, 2011
4. 4. Linear Graph My ﬁrst year was 1860 and I predicted what the population was going to be in 2061. 2061 is 201 years away from 1860, I plugged in 201 for x and found my population for the year 2061.Thursday, June 2, 2011
5. 5. Work/Equation/Prediction Work on writing a linear equation Linear Equation:Y=19569.67x+231193 Prediction: 4164696.67 peopleThursday, June 2, 2011
6. 6. Quadratic...Thursday, June 2, 2011
7. 7. Prediction with a line When writing an equation, you ﬁrst have to ﬁnd the x and y values for the three points on your curve. After you get the x and y values you have to plug each of them into the formula,Y=ax^2+bx+c When you get your two equations, use the elimination method to solve for either a or b. When you have the value for either a or b, plug it into the original equation and solve for the missing variable.Thursday, June 2, 2011
8. 8. Quadratic GraphThursday, June 2, 2011
9. 9. Work/Equation/ Prediction Quadratic Equation:Y=. 03453x^2+14.0438x+195 Prediction: 4217.85033Thursday, June 2, 2011
10. 10. Exponential...Thursday, June 2, 2011
11. 11. Prediction with a line When writing an equation you have to plug your y value in for y and your x value in for x in the equation,Y=ab^x. Then solve the equation for either variable (a or b). Plug the value of the variable you solved for into the original equation and solve for the missing variable. Now that you have all the numbers for the missing variables, solve the equation to ﬁnd the prediction for the year 2016.Thursday, June 2, 2011
12. 12. Work/Equation/Prediction Prediction: 7,727,392.631300539 Exponential Equation: 2,000,000=ab^100 and 3,000,000=ab^130Thursday, June 2, 2011