Today’s Objectives:Today’s Objectives:To review the following To review the following topics for the Ch. 8 Test:topics for the Ch. 8 Test:

Factoring QuadraticsFactoring Quadratics

Graphing a ParabolaGraphing a Parabola

Solving Quadratics by Solving Quadratics by FactoringFactoring

Solving Quadratics by Using Solving Quadratics by Using the Quadratic Formulathe Quadratic Formula

Before We Begin . . . .Before We Begin . . . .

Choose an appropriate team name.Choose an appropriate team name.Assign each player a number, 1 Assign each player a number, 1 through 4.through 4.Make sure each player has paper Make sure each player has paper and pencil.and pencil.

Rules of the Game. . . .Rules of the Game. . . .You may only speak to players on your own You may only speak to players on your own team.team.The player in the hot seat is not allowed to The player in the hot seat is not allowed to speak to anyone.speak to anyone.All parts of your answer must be correct & All parts of your answer must be correct & labeled with the correct units in order to labeled with the correct units in order to receive points.receive points.A correct answer from the hot seat player is A correct answer from the hot seat player is worth 2 points; a correct answer from the worth 2 points; a correct answer from the team is worth 1 points.team is worth 1 points.Make sure that the answer you submit Make sure that the answer you submit includes your team name and player includes your team name and player number.number.

Round 1Round 1

Factor the Quadratic using a generic Factor the Quadratic using a generic rectanglerectangle

Player 1 is in the Hot Seat. The team Player 1 is in the Hot Seat. The team works on the problem and one paper works on the problem and one paper from the team will be selected.from the team will be selected.

Round 1 – Correct ResponseRound 1 – Correct Responsex² - x - 42 x² - x - 42

Round 1 – Correct ResponseRound 1 – Correct Responsex ² - x - 42x ² - x - 42

Round 1 – Correct ResponseRound 1 – Correct Response

Round 2Round 2

Show how would you find the x-Show how would you find the x-intercepts of the parabola intercepts of the parabola

y = x² + 6x + 8.y = x² + 6x + 8.

Find the y-intercept.Find the y-intercept.

Player 2 is in the hot seat.Player 2 is in the hot seat. Remember one paper from Remember one paper from the team will be collected. the team will be collected.

Round 2 – Correct ResponseRound 2 – Correct Response

To find the x-intercepts, first factor using a To find the x-intercepts, first factor using a generic rectangle.generic rectangle.

Round 2 – Correct ResponseRound 2 – Correct Response When finding the x-intercepts, let y = 0.When finding the x-intercepts, let y = 0.

Round 2 – Correct ResponseRound 2 – Correct Response To find the y-intercept, let x = 0.To find the y-intercept, let x = 0.

Round 3

Solve the following using the Zero Product Property.

2x² - 7x – 15 = 0

Player 3 is in the Hot Seat.

Round 3 – Correct Response

First factor using a generic rectangle.

Round 2 – Correct ResponseThen set each factor equal to zero and solve.

Round 4Round 4

Solve using the quadratic Solve using the quadratic formula (answer in square root formula (answer in square root form): form):

Player 4 is in the Hot Seat. Player 4 is in the Hot Seat.

Round 4 – Correct ResponseRound 4 – Correct Response

Round 4 – Correct ResponseRound 4 – Correct Response