Introduction to Quadratics

What is the equation for this parabola in factored form?

• y=(x+2)(x-1)

• y=(x-2)(x+1)

• y=(x-2)(x-1)

• y=(x+2)(x+1)

Tags

CCSS.HSF-IF.C.7A

How many solutions does this graph have?

• one

• two

• no solutions

• cannot be determined

What is the formula to find the vertex of a parabola?

• x = -b/2

• x = -b

• x = -b / (2a)

• x = -b / 2

What is the vertex of the quadratic function:
y = x² - 6x + 11?

• (3,2)

• (-3,-2)

• (-3,2)

• (3,-2)

• 1

• 3

• 2

• 5

• 4

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

Which of the following represents a quadratic function?

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

• a

• b

• c

• d

• x

Tags

CCSS.HSA-REI.B.4B

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