2-13 Practice

Select all the equations that have 2 solutions.

What is one solution to the equation 60t - 75t² = 0?

What is the other solution to the equation 60t - 75t² = 0?

How long is the frog in the air?

What is one solution to the equation 0 = 4 + 12t - 16t²?

What is the other solution to the equation 0 = 4 + 12t - 16t²?

How long is the tennis ball in the air?

Rewrite (x + 1)(7x + 2) in standard form.

Rewrite (8x + 1)(x - 5) in standard form.

Rewrite (2x + 1)(2x - 1) in standard form.

Rewrite (4 + x)(3x - 2) in standard form.

One factor of 16x² - 8x + 1 is (4x - 1). What is the other factor?

One factor of 9x² - 16x - 4 is (9x + 2). What is the other factor?

One factor of -7x² + 36x - 5 is (-x + 5). What is the other factor?

What is the value of a for the equation 4x² - 4x - 15 = 0?

What is the value of b for the equation 4x² - 4x - 15 = 0?

What is the value of c for the equation 4x² - 4x - 15 = 0?

What is -b for 4x² - 4x - 15 = 0?

What is b² for 4x² - 4x - 15 = 0?

What is 4ac for 4x² - 4x - 15 = 0?

What is b² - 4ac for 4x² - 4x - 15 = 0?

What is

for 4x² - 4x - 15 = 0?

What is

for 4x² - 4x - 15 = 0? (Use +/- notation).

What is 2a for 4x² - 4x - 15 = 0?

What is one solution to the equation 4x² - 4x - 15 = 0?

What is the other solution to the equation 4x² - 4x - 15 = 0?

Select ALL of the statements below that are true of the graph of y = -x²:

How many x-intercepts does the graph of y = -x² + 16x have?

What is the coordinate of the vertex of y = -x² + 16x?

What is the coordinate of the y-intercept of y = -x² + 16x?

Does the graph of y = -x² + 16x open up or down?