Quadratic Key Features from Graph

Quadratic Key Features from Graph

Multiple Choice

Do Now 1: What is the "B" of this equation?

• 7

• 5

• -10

Multiple Choice

Do Now 2: If a quadratic function has a NEGATIVE a value, it opens...

• UP

• DOWN

Multiple Choice

Do Now 3: Which of the following describes the function y=6x²+4x-5?

• Opens UP

• Opens DOWN

Multiple Choice

Do Now 4: Which of the following correctly describes the vertex of this function?

• Maximum

• Minimum

Reminders About Coordinate Plane

• Coordinate points are written as (x, y)

• X values move left (-) and right (+)

• Y values move up (+) and down (-)

Graphing the Point (3, -4)

• x = 3; y = -4

• x-value of 3 moves 3 right

• y-value of -4 moves 4 down

Multiple Choice

Which value always comes first in coordinate points?

• Y

• X

Multiple Choice

What is the x-value of (1, 5)?

• 1

• 5

Multiple Choice

What is the y-value of (6, 4)?

• 6

• 4

Multiple Choice

True or False: The coordinate point (5, -7) has a y-value of -7.

• True

• False

Multiple Choice

Which coordinate moves up and down?

• X

• Y

Multiple Choice

Which coordinate moves left and right?

• X

• Y

Multiple Choice

Which way does a NEGATIVE Y-value move?

• Right

• Left

• Up

• Down

Multiple Choice

Which way does a NEGATIVE X-value move?

• Right

• Left

• Up

• Down

Multiple Choice

Which way does a POSITIVE Y-value move?

• Right

• Left

• Up

• Down

Remember! (x, y)

• Positive X = Right

• Negative X = Left

• Positive Y = Up

• Negative Y = Down

Multiple Choice

Which way would (0, 5) move?

• Right 5

• Left 5

• Down 5

• Up 5

Multiple Choice

Which way would (5, 0) move?

• Right 5

• Left 5

• Down 5

• Up 5

Multiple Choice

Which way would (0, -5) move?

• Right 5

• Left 5

• Down 5

• Up 5

Multiple Choice

Which way would (-5, 0) move?

• Right 5

• Left 5

• Down 5

• Up 5

Intercepts

• X-Intercepts are where a graph crosses the x-axis (y = 0)

• Y-Intercepts are were a graph crosses the y-axis (x = 0)

Multiple Choice

What does the point (0, 3) describe on this graph?

• Y-Intercept

• X-Intercept

Multiple Choice

What does the point (-1, 0) describe on this graph?

• Y-Intercept

• X-Intercept

Multiple Choice

What does the point (3, 0) describe on this graph?

• Y-Intercept

• X-Intercept

Multiple Choice

What does the point (1, 4) describe on this graph?

• Maximum

• Minimum

Multiple Choice

What does the point (2, 1) represent on this function?

• X-Intercept

• Y-Intercept

• Maximum

• Minimum

Multiple Choice

How many x-intercepts does this function have?

• 0

• 1

• 2

Multiple Choice

What does the point (0, 5) represent on this function?

• X-Intercept

• Y-Intercept

• Maximum

• Minimum

Multiple Choice

How many x-intercepts does the function below have?

• 0

• 2

• 1

Multiple Select

Which of the following points represent the x-intercepts of this function?

• A. (6, 0)

• B. (0, 6)

• C. (8, 0)

• D. (0, 8)

Multiple Choice

How many x-intercepts does this function have?

• 0

• 1

• 2

Multiple Choice

What is the y-intercept of this graph?

• (0 , 12)

• (12, 0)

Multiple Choice

What are the x-intercepts of the graph below?

• (0, -2) and (0, 6)

• (6, 0) and (-2, 0)