Study Guides

31.
Factoring to Reduce Fractions Help
Factor to Reduce Fractions Among factoring’s many uses is in reducing fractions. If the numerator’s terms and the denominator’s terms have common factors, factor them then cancel. It might not be necessary to factor the ...
Source: McGrawHill Professional 
32.
Factoring Quadratic Polynomials Help
Factoring Quadratic Polynomials in Two Steps We will now work in the opposite direction—factoring. First we will factor quadratic polynomials, expressions of the form ax
Source: McGrawHill Professional 
33.
Algebra Factoring Practice Test
Review the following concepts if needed: Distributing Multiplication over Addition and Subtraction Help
Source: McGrawHill Professional 
34.
Linear Equations Help
Introduction to Linear Equations Now we can use the tools we have developed to solve equations. Up to now, we have rewritten expressions and added fractions. This chapter is mostly concerned with linear equations. In a linear equation, ...
Source: McGrawHill Professional 
35.
Decimals in Linear Equations Help
Solving Equations with Decimals Because decimal numbers are fractions in disguise, the same trick can be used to “clear the decimal” in equations with decimal numbers. Count the largest number of digits behind each decimal point ...
Source: McGrawHill Professional 
36.
Linear Equations Given as Formulas Help
Introduction to Linear Equations Given as Formulas At times math students are given a formula like I = Prt and asked to solve for one of the variables; that is, to isolate that particular variable on one side of the equation. ...
Source: McGrawHill Professional 
37.
Conversion of Rational Expressions into Linear Expressions Help
Converting Rational Expressions to Linear Expressions Some equations are almost linear equations; after one or more steps these equations become linear equations. In this section, we will be converting rational expressions (one quantity ...
Source: McGrawHill Professional 
38.
Algebra Linear Equations Practice Test
Review the following concepts if needed: Linear Equations Help Decimals in Linear Equations Help ...
Source: McGrawHill Professional 
39.
Work Problems Help
Introduction to Work Problems Work problems are another staple of algebra courses. A work problem is normally stated as two workers (two people, machines, hoses, drains, etc.) working together and working separately to complete a task. Often ...
Source: McGrawHill Professional 
40.
Distance Problems Help
Distance, Rate, and Time Another common word problem type is the distance problem, sometimes called the uniform rate problem. The underlying formula is d = rt (distance equals rate times time). From d = rt , ...
Source: McGrawHill Professional