STAAR Practice Easy Problems Review 1

Front

What is a factor in algebra?

Back

A factor is a number or expression that divides another number or expression evenly, without leaving a remainder.

Front

What is the difference of squares formula?

Back

Front

How do you factor the expression 9x² - 49?

Back

9x² - 49 can be factored using the difference of squares: (3x - 7)(3x + 7).

Front

What is the quadratic formula?

Back

Front

What does it mean for two expressions to be equivalent?

Back

Two expressions are equivalent if they have the same value for all values of the variable.

Front

Back

Front

What is a vertical shift in graph transformations?

Back

A vertical shift moves the graph up or down without changing its shape.

Front

What does the graph of f(x) = x² - 1 represent?

Back

The graph of f(x) = x² - 1 is a vertical shift of the graph of f(x) = x² down by 1 unit.

Front

What is the standard form of a quadratic equation?

Back

Front

What is the process of factoring a trinomial?

Back

To factor a trinomial, find two numbers that multiply to ac (the product of a and c) and add to b (the coefficient of x).