2-14 Practice

Last updated over 2 years ago
20 questions
1

What is the value of a for the equation 2x2 - 7x = 15?

1

What is the value of b for the equation 2x2 - 7x = 15?

1

What is the value of c for the equation 2x2 - 7x = 15?

1

Mai and Jada have both made mistakes. What is one solution to the equation 2x2 - 7x = 15?

1

What is the other solution to the equation 2x2 - 7x = 15?

1

What is the initial vertical velocity of the potato (in feet per second) at the time it was launched?

1

What is the height of the potato (in feet) at the time it was launched?

1

Write an equation that would allow us to find the time it takes for the potato to hit the ground.

1

What is one solution to your equation from 2a? (Round to the nearest tenth.)

1

What is another solution to your equation from 2a? (Round to the nearest tenth.)

1

How long, in seconds, was the potato in the air? (Round to the nearest tenth.)

1

Solve the equation 3x2 - 6x - 9 = 0 by factoring or using the Quadratic Formula. Show your work.

1

What are the solutions to the equation 2x2 - 5x - 1 = 0?

1

What is one solution to the equation x2 + 11x + 24 = 0?

1

What is the other solution to the equation x2 + 11x + 24 = 0?

1

What is the only solution to the equation 4x2 + 20x + 25 = 0?

1

What are the solutions to the equation x2 + 8x = 5? (Use
notation.)

1

What is the coordinate for one x-intercept of the function f(x) = (x + 1)(x + 6)?

1

What is the coordinate for the other x-intercept of the function f(x) = (x + 1)(x + 6)?

1

What is the coordinate of the vertex of the graph of the function f(x) = (x + 1)(x + 6)?