Quadratic Features and Equations

What feature can you find?

• y-intercept

• Vertex

• solutions

What feature can you find?

• y-intercept

• Vertex

• solutions

What is the vertex?

• (5, 2)

• (2, -5)

• (-5, -2)

• (-2, -5)

Quadratic equations take the shape of a _______ when graphed.

• parabola

• straight line

• snaked line

• elliptical

Which equation below is a quadratic?

• y=9x+5

• y=3x²-6

• y=5x³+6

• x=3^x

Which of the statements about the graph is FALSE?

• The vertex is a maximum

• There are two zeros at x = -3 and x = 3

• The y-intercept is (0, 18)

• The range is y ≥ 18

What kind of function is this?

• Linear

• Quadratic

• Exponential

• McDonald's

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 

Members of the math club launched a model rocket. This can be modeled with the function h(t) = -16t² + 96t.

Which statement is NOT true?

• The rocket is at the same height at 2 seconds and at 4 seconds.

• The rocket is in the air for 6 seconds.

• The rocket takes the same amount of time to go up as it takes to come down.

• The rocket reaches a maximum height of 140 feet.

What kind of function is this?

• Linear

• Quadratic

• Exponential

• U-shaped