Algebra 1 STAAR cheat sheet

What does the distributive property do in an equation?

• Divides each term inside parentheses by the number outside parentheses.

• Multiplies each term inside parentheses by the number outside parentheses.

• Subtracts each term inside parentheses by the number outside parentheses.

• Adds each term inside parentheses by the number outside parentheses.

What should you check after applying the distributive property?

• Check your exponents and follow the rules for radicals.

• Check your signs and follow integer rules.

• Check your coefficients and follow the rules for fractions.

• Check your variables and follow algebraic expressions rules.

What is the first step in solving equations?

• Collect variables on the same side of the equation.

• Solve the equation by isolating the variable.

• Distribute if necessary.

• Combine any like terms.

What type of solution does the equation 2x = 10 have?

• No solution.

• All real numbers.

• One solution.

• Infinite solutions.

What should you do when solving inequalities and you multiply or divide both sides by a negative value?

• Keep the inequality sign the same.

• Flip the inequality sign.

• Convert the inequality to an equation.

• Ignore the negative value and solve as usual.

Which example represents a case where the solution is all real numbers?

• 3x + 6 = 3x - 6

• 2x = 10

• x > 4

• 2x - 8 = 2x - 8

What is an example of a literal equation?

• x > 4

• 2x = 10

• A = bh solved for h

• 3x + 6 = 3x - 6

What is a function in terms of input and output?

• A) A function is a relation that assigns each input more than one output.

• B) A function is a relation that assigns each input exactly one output.

• C) A function is a relation that does not require an input to produce an output.

• D) A function is a relation where outputs are not related to inputs.

How can you tell if a graph represents a function?

• A) The graph passes the horizontal line test.

• B) The graph does not pass any line test.

• C) The graph passes the vertical line test.

• D) The graph represents all x-values with multiple y-values.

What is the correct way to read the function notation f(x)?

• A) f of x

• B) x of f

• C) f times x

• D) the product of f and x