Quadratic Formula Practice 2

Front

In the equation
y = x² +5x +7, match each leading coefficient with its correct letter.

Back

a=1, b=5, c=7

Front

The discriminant is

Back

b² - 4ac

Front

If the discriminant equals zero, the quadratic has how many solutions?

Back

1 real

Front

If the discriminant equals +35, the quadratic has how many solutions?

Back

2 real

Front

If the discriminant equals -72, the quadratic has how many solutions?

Back

2 complex

Front

For the function above, is the discriminant positive, negative, or zero?

Back

Zero

Front

Which graph has a discriminant > 0? Options: None of them, Red, Blue, Green

Back

Blue

Front

For the function above, is the discriminant positive, negative, or zero?

Back

Negative

Front

Solve the quadratic equation: 2p² - 2p - 55 = 5

Back

{6, -5}

Front

Solve for x. Round to the nearest hundredth if necessary.
3x² = 16x + 12

Back

x = -.67, 6