Algebra 1 EOC Practice Test 2

Front

What is the formula for the area of a rectangle?

Back

Area = length × width.

Front

How do you find the width of a rectangle if you know the area and the length?

Back

Width = Area ÷ Length.

Front

What are the roots of a quadratic function in factored form f(x) = (x - a)(x - b)?

Back

The roots are x = a and x = b.

Front

What is an irrational number?

Back

An irrational number cannot be expressed as a fraction of two integers.

Front

What is the distributive property in algebra?

Back

a(b + c) = ab + ac.

Front

How do you simplify the expression (a + b)(c + d)?

Back

Use the distributive property: ac + ad + bc + bd.

Front

What is the difference between a rational and an irrational number?

Back

Rational numbers can be expressed as fractions; irrational numbers cannot.

Front

What does it mean for a number to be a root of a polynomial?

Back

A root is a value of x that makes the polynomial equal to zero.

Front

How do you factor the expression x^2 - 5x + 6?

Back

It factors to (x - 2)(x - 3).

Front

What is the quadratic formula?

Back

x = (-b ± √(b² - 4ac)) / (2a).