Quadratics Basic

Find the product:

• y² - 4y - 21

• y² + 10y - 21

• y² + 4y - 21

• y² - 4y + 21

Multiply:

(r + 2)(r − 8)

• r ² − 16

• r ² + 6r - 16

• r ² − 6r + 16

• r² - 6r - 16

• r² + 6r + 16

4a² - 25

• (2a + 5) (2a - 5)

• (2a - 5) (2a - 5)

• (x + 5) (x - 5)

• Can't factor using Diff. of Squares

r² - 9t²

• (r + 3t) (r - 3t)

• (r - 3t) (r - 3t)

• (3r + t) (3r - t)

• Can't factor using Diff. of Squares

Does this graph have a maximum or a minimum?

• Maximum

• Minimum

What is the equation for axis of symmetry?

• y=3

• x=3

• x=5

• x=1

What are the green points called?

• axis of symmetry

• vertex

• y-intercept

• x-intercepts

What are the x-intercepts (solutions)?

• (-2,0) and (2,0)

• (0,-4)

• (-2,-4) and (2,-4)

Does this question have a maximum or a minimum?

• Maximum

• Minimum

Which equation is in standard form?

• y=a(x-h)²+k

• y=ax²+bx+c