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Which of the following gives enough information to write an equation in factored form? “a” and two roots Two roots and a third point The x -intercepts and “a” All of the above. How many parabolas can contain the same roots? One Two—one opening upwards and one opening downwards
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Which of the following gives enough information to write an equation in factored form? • “a” and two roots • Two roots and a third point • The x-intercepts and “a” • All of the above • How many parabolas can contain the same roots? • One • Two—one opening upwards and one opening downwards • An infinite number
Factored Form of a Quadratic Equation • This parabola has one root. What is this called? • Single root • Twin root • Double root • Shadow root
Factored Form of a Quadratic Equation • What are the roots of the parabola? • x = 1 and x = 5 • x = -1 and x = 5 • x = -5 and x = -1 • x = -5 and x = 1
Factored Form of a Quadratic Equation • What are the factors of the equation for the parabola? • (x 4) and (x 8) • (x + 4) and (x + 8) • (x 4) and (x + 8) • (x + 4) and (x 8)
Factored Form of a Quadratic Equation • What are the factors of the equation for the parabola? • (x 1) and (x 3) • (x + 1) and (x + 3) • (x 1) and (x + 3) • (x + 1) and (x 3)
Factored Form of a Quadratic Equation • Which of the following is another point on the parabola? • (1, 2) • (5, 2) • (4, -3) • (-2, 3)
Factored Form of a Quadratic Equation • Which is the equation of the parabola in factored form? • y = (x + 3)(x + 8) • y = (x 3)(x + 8) • y = (x + 3)(x + 3) • y = (x + 3)(x 3)
Factored Form of a Quadratic Equation • Which is the equation of the parabola in factored form? • y = (x + 7)(x 6) • y = 0.1(x + 7)(x 6) • y = 3/14(x + 7)(x 6) • y = 0.5(x + 7)(x 6)