Parabolas Day One Algebra 1

The standard form of a Quadratic function is ax² + bx + c = 0

• True

• False

The graph of a Quadratic is called

• a line

• a V graph

• a parabola

• a polynomial

Tags

CCSS.HSF-IF.C.7A

In the equation y = 3x² + 5x - 2

• a = 3, b = -5, c = -2

• a = 3, b = 5, c = 2

• a = 3, b = 5, c = -2

• a = 1, b = 5, c = -2

The parabola of y = 2x² + x - 4

• opens up

• opens down

• has a maximum

Tags

CCSS.HSF-IF.C.7A

The parabola of y = -x² - 3x + 4

• opens up

• opens down

• has a minimum

Tags

CCSS.HSF-IF.C.7A

The parabola y = 3x² + 5x + 1

• has a value b of 1

• will open down

• will have a maximum

• will have a minimum

Tags

CCSS.HSF-IF.C.7A

In the equation ax² + bx + c if a is a positive number then ..

• the graph of the parabola will have a maximum.

• the graph of the parabola will open down

• the graph of the parabola will open up

• the vertex will be (0, 0).

Tags

CCSS.HSF-IF.C.7A

In the equation ax² + bx + c = 0, if a is a negative number then...

• the graph of the parabola will open down.

• the vertex of the graph will be (0, 0)

• the graph of the parabola will open up.

• the graph of the parabola will have a minimum.

Tags

CCSS.HSF-IF.C.7A

The x coordinate of the vertex of a parabola is calculated with

• x = -b/a

• x = b/a

• x = - b/2a

• x = b/2a

The axis of symmetry of a parabola is

• a horizontal line with an equation y = - b/2a

• a vertical line with an equation x = - b/2a

• a horizontal line with equation x = - b/2a

• a vertical line with an equation y = -b/2a