Graphing Parabolas in Standard form

Front

How can you tell if a parabola opens upwards or downwards simply by looking at the equation?

Back

The value of "a" tells you the direction of the opening.

Front

Identify A, B, and C if y=3x²-8+5x

Back

A=3, B=5, C=-8

Front

In order to graph a quadratic equation in standard form, the first two steps are to use the equation _____ to find the axis of symmetry (which is the x coordinate of the vertex), and then you can plug that value back into the equation to find the _____.

Back

-b/2a, y coordinate of the vertex

Front

The parabola y = -2x² - 4x + 1 will open

Back

down

Tags

CCSS.HSF-IF.C.7A

Front

The parabola y = - 2x² - 4x + 1 will have an axis of symmetry of

Back

x = - 1

Front

Vertex of parabola y = - 2x² - 4x + 1

Back

(- 1, 3)

Front

Does the quadratic have a max/min vertex, and does the parabola open up/down? Options: max/ opens down, min/ opens up, max/ opens up, min/ opens down

Back

max/ opens down

Front

Equation for the AXIS OF SYMMETRY from the standard form of a quadratic (also the x-value of the vertex)

Back

Front

Use the graph to determine the x-intercepts. Options: -1 and -3, 1 and -3, 1 and 3, -1 and 3

Back

1 and 3

Tags

CCSS.HSF-IF.C.7A

Front

Where is the axis of symmetry for this parabola? Options: x = −1, x = 0, y = 3, x = −3

Back

x = −1

Tags

CCSS.HSF-IF.C.7A