Question

Does the parabola for the equation open UP or DOWN?
y = - 4x²- 7x + 3
O Up
O Down

Answer 1

Down

Explanation:

A positive x² value means the parabola will open up. However, a negative value of x² results it to open down, such as -4x².

Answer 2

b) Down

Explanation:

The graph of a quadratic equation in the form y = ax² + bx + c is a parabola.

The leading coefficient of a quadratic equation is the coefficient of the x² term, and is called the leading coefficient because it has the greatest power of x in the equation.

If the leading coefficient of a quadratic equation is positive, the parabola opens upwards.

If the leading coefficient of a quadratic equation is negative, the parabola opens downwards.

Given equation:

• y = - 4x²- 7x + 3

As the leading coefficient of the given quadratic equation is negative, the parabola opens downwards.