Algebra 1 - Q4 Review for PC Practice

Front

Evaluate the expression: (x-3)^2

Back

x^2 - 6x + 9

Front

Which of the following trinomials is a perfect square? x^2 + 12x + 12, x^2 + 1x + 2, x^2 - 4x + 4, x^2 + 100x + 100

Back

x^2 - 4x + 4

Front

Determine which one below is IRRATIONAL: 5 + \sqrt{36}, 2 - \sqrt{100}, \sqrt{10}

Back

\sqrt{10}

Front

Complete the square in the equation: x^2 - 14x = 16

Back

x^2 - 14x + 49 = 65

Front

The function h(t) = -5x^2 + 10x + 5 represents the height of Haley above the water. Which equation helps to determine when she reaches a height of 5 meters?

Back

-5x^2 + 10x + 5 = 0

Front

What is a perfect square trinomial?

Back

A trinomial that can be expressed as the square of a binomial, e.g., (a+b)^2 = a^2 + 2ab + b^2.

Front

What is the process of completing the square?

Back

Rearranging a quadratic equation to form a perfect square trinomial.

Front

Define an irrational number.

Back

A number that cannot be expressed as a fraction of two integers.

Front

What is the vertex form of a quadratic equation?

Back

The vertex form is y = a(x-h)^2 + k, where (h,k) is the vertex.

Front

What does it mean for a quadratic function to have real roots?

Back

It means the graph intersects the x-axis at two points, one point, or none.