S1 Review Algebra 2

Front

What is the square root property used for in solving quadratic equations?

Back

Front

What is the axis of symmetry for a parabola with vertex at (h,k)?

Back

Front

What is the vertex form of a quadratic equation?

Back

Front

How do you multiply complex numbers?

Back

To multiply complex numbers, use the distributive property and combine like terms. For example, (a + bi)(c + di) = ac + adi + bci + bdi^2.

Front

What is the solution to the system of equations: x + 2y = -4 and x - 2y = 8?

Back

The solution is (2, -3).

Front

What does the discriminant of a quadratic equation tell you?

Back

Front

What is the standard form of a quadratic equation?

Back

Front

How do you find the vertex of a parabola given in standard form?

Back

Front

What is the formula for the quadratic formula?

Back

Front

What is the significance of the leading coefficient in a quadratic function?

Back

The leading coefficient (a) determines the direction of the parabola: if a > 0, it opens upwards; if a < 0, it opens downwards.