Graphing Quadratics

Vocab

100

What do you call the point (0, 0)?

What is origin

200

What do you call the point where the line crosses the x-axis?

What is x-intercepts

300

How many x-intercepts can you graph have? (list all possible amounts)

What is 0, 1, or 2

400

What do you call either the maximum or minimum of your graph?

What is vertex

500

How can you decide whether your graph opens up or down based off your equation?

What is a value is positive or negative

Graphs

100

Does your graph open up or down?

What is up

200

Is your vertex a max or a min?

What is min

300

What is the vertex of your graph?

What is (3, -2)

400

What are your x-intercepts of the graph?

What is (1, 0) and (5, 0)

500

What is the y-intercept of the graph? (write your answer as a point)

What is (0, 2)

X-intercepts

100

y = (x + 5)(x - 7)

What is x = -5 and x = 7

200

y = (x + 9)(x - 3)

What is x = -9 and x = 3

300

y = (2x + 8)(x - 4)

What is x = -4 and x = 4

400

What can you do to graph if you only find one x-intercept?

What is pick a point to the left and to the right and plug into your equation

500

Describe the process for finding the vertex

What is add together your x-intercepts and divide by 2

Factoring

100

y = x^2 + 5x + 4

What is y = (x + 4)(x + 1)

200

y = x^2 - 5x + 6

What is y = (x - 3)(x - 2)

300

y = 2x^2 + 2x - 24 (Hint: Look for a GCF)

What is y = 2(x + 4)(x - 3)

400

Find the x-intercepts. y=x^2-6x+8

What is x = 4 and x = 2

500

Find the x-intercepts and the vertex. y=x^2-10x-11

What is x=11 x=-1 (5,-36)

Random

100

How tall is Mr. Petures?

What is 5'9"

200

Mr. Petures' favorite number

What is 21?

300

Which is not a country, Monaco, Morocco, or Milan?

What is Milan

400

Who painted the Mona Lisa?

What is Da Vinci

500

Mr. Petures' Car

What is grey Honda Civic?