3.3 Quadratics in Intercept or Factored Form

Which of the following is the Factored Form of a quadratic function?

• f(x) = mx + b

• f(x) = ax² + bx + c

• f(x) = a(x - m)(x - n)

• f(x) = a(x - h)² + k

What are the x-intercepts of the parabola?

y = -3(x + 5)(x - 9)

• (-5, 0) and (9, 0)

• (5,0) and (-9, 0)

• (5, 0) and (9, 0)

• (-3, 0) and (5, 0)and (-9, 0)

Tags

CCSS.HSF-IF.C.7A

What are the x-intercepts of the parabola?

y = ¼(x + 2)(x - 6)

• (-2, 0) and (6, 0)

• (2, 0) and (-6, 0)

• (-2, 6)

• (¼, 0) and (-2, 0) and (6, 0)

Tags

CCSS.HSF-IF.C.7A

State the direction of opening of the following: y = -(x+3)(x-2)

• Left
• Up
• Down
• Right

Tags

CCSS.HSF-IF.C.7A

In f(x) = a(x - p)(x - q), what does "a" tell us?

• The slope

• If the Parabola opens up or down

• x coordinate of the x - intercept

• y coordinate of the y - intercept

Tags

CCSS.HSF-IF.C.7A

Solve 2x² - 7x + 6 = 0 by factoring

• x = -3/2 and x = -2

• x = -3 and x = -2

• x = 3 and x = 2

• x = 3/2 and x = 2

Tags

CCSS.HSA-REI.B.4B

What is the y-intercept of the equation y=(2x-6)(x-5)?

• (0, 3)

• (0, 5)

• (0, 30)

• (30, 0)

Tags

CCSS.HSF-IF.C.7A

For which equation does the parabola cross at (2,0) and (8,0)

• y= (x+2)(x+8)

• y= 2(x-1)(x-4)

• y= (x-8)(x-2)

• y= 2(x+1)(x+4)

Tags

CCSS.HSF-IF.C.7A

Which graph below matches up with the equation:

y = -⅕(x+6)(x+1)

• 
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• 
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Tags

CCSS.HSF-IF.C.7A