Introduction to Quadratics

Which quadratic equation models the parabola shown?

• y = (x-2)(x-5)

• y = (x+2)(x+5)

• y = -(x+2)(x+5)

• y = -(x-2)(x-5)

Tags

CCSS.HSF-IF.C.7A

Does this open upwards or downwards?
y= -x² -4x -5

• up

• down

Tags

CCSS.HSF-IF.C.7A

What is the value of a?
y= -3x² + 6x - 6

• -3

• 6

• -6

• 3

Does this open upwards or downwards?
y= -3x² + 6x - 6

• up

• down

Tags

CCSS.HSF-IF.C.7A

Which answer choice describes  y = -3x² +7x - 2 accurately?

• opens up with a maximum

• opens up with a minimum

• opens down with a maximum

• opens down with a minimum 

Tags

CCSS.HSF-IF.C.7A

What is a parabola?

• The straight graph of a quadratic function

• The circular graph of a quadratic function

• The V-shaped graph of a quadratic function

• The U-shaped graph of a quadratic function

Tags

CCSS.HSF-IF.C.7A

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

f(x) = (a)   x² + ​​ (b)   x + ​ ​ (c)  

• a

• b

• c

• d

• x