Introduction to Quadratic

Which of the following equations matches standard form of a quadratic?

• ax + by = c

• y = a(x - h)² + k

• y = ax² + bx + c

• y = mx + b

How many solutions does this graph have?

• one

• two

• no solutions

• cannot be determined

In the Quadratic Equation 2x² + 5x + 3 = 0, what is the value of a?

Tags

CCSS.HSA-REI.B.4B

What is the green dot on the parabola called?

• maximum

• minumum

• roots

• zeros

Tags

CCSS.HSF-IF.C.7A

What is the maximum/minimum of a parabola called?

• vertex

• point

• top

• bottom

What is the vertex?

What is the vertex of a parabola?

• The max or min

• The point the line of symmetry goes through

• The point that is the same distance from both x-ints

• All of the above

What is the relationship between the vertex and the x-intercepts?

• the vertex is in the middle

• the vertex is closer to one of them

• the vertex is the same distance from both points

• There is no special relationship

Tags

CCSS.HSF-IF.C.7A

When does a quadratic open downward?

• when a is positive

• when a is negative

• it never opens downward

• when there is no b term

Tags

CCSS.HSF-IF.C.7A

A ball is thrown in the air. After how many seconds did the ball hit the ground?

• 0 seconds

• 6.25 seconds

• 5 seconds

• It never landed back on the ground