CJHS 24 MATH 8 CHRISTMAS EXAM REVIEW

Front

What is the first step in solving the equation -3(x+2)=-2(2x-4)?

Back

Distribute the terms: -3x - 6 = -4x + 8.

Front

How do you isolate x in the equation 7x + 19 = -2x + 55?

Back

Combine like terms and solve for x: 9x = 36, so x = 4.

Front

What is the first step in solving for w in the equation 3w + 5 = 14?

Back

Subtract 5 from both sides: 3w = 9.

Front

What type of solution does the equation 4x + 1 + 2 = 3 + 4x have?

Back

Infinite solutions, as both sides simplify to the same expression.

Front

Solve the equation 3x = 27.

Back

x = 9.

Front

What does it mean if an equation has no solution?

Back

It means there are no values for the variable that satisfy the equation.

Front

What is the process of combining like terms in an equation?

Back

It involves adding or subtracting terms that have the same variable raised to the same power.

Front

How do you check if your solution to an equation is correct?

Back

Substitute the solution back into the original equation to see if both sides are equal.

Front

What is the purpose of isolating the variable in an equation?

Back

To find the value of the variable that makes the equation true.

Front

What does it mean to distribute in algebra?

Back

To multiply each term inside a parenthesis by the term outside.