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Midterm

Chapters 1-6

Chapter 1

• Writing algebraic expression in English (1-1)• Writing and evaluating expressions (1-2)• Simplifying expressions (1-4)• Expressing relations (1-6)

Chapter 1 Vocabulary

Coefficient• The coefficient of is .

Vertical Line Test• Use the vertical line test to

determine if a relation is a function

Writing algebraic expression in English (1-1)

IXL I.1

Writing and evaluating expressions (1-2)

Simplifying expressions (1-4)

IXL I.2

Expressing relations (1-6)

IXL Q.2

Chapter 2

• Solving one-step equations (2-2)• Solving equations with variables on both sides

(2-4)• Solving proportions (2-6)• Percent change (2-7)

Chapter 2 Vocabulary

• Absolute value – The distance away from 0 on a number line

Solving one-step equations (2-2)

IXL J.3

Solving equations with variables on both sides (2-4)

IXL J.6

Solving proportions (2-6)

IXL C.5

Percent change (2-7)

IXL D.6

Chapter 3

• Intercepts (3-1)• Direct Variation (3-4)• Arithmetic Sequences (3-5)

Chapter 3 Vocabulary

Slope• Any two points on a non-

vertical line can be used to determine the slope

Direct Variation Equation• The graph of any direct

variation equation passes through the point (0,0)

Intercepts (3-1)

IXL S.10

Direct Variation (3-4)

IXL R.5

Arithmetic Sequences (3-5)

IXL P.2

Chapter 4

• Slope-Intercept Form (4-1)• Point Slope Form (4-3)• Parallel/ perpendicular lines (4-4)• Lines of best fit / Correlation (4-5 & 4-6)• Inverse Functions (4-7)

Chapter 4 Vocabulary

• Point slope form– An equation in the form y-y1=m(x-x1)

• Slope intercept form– An equation in the form y=mx+b

• Linear Regression– A computer algorithm to find a precise best-fit line

• Linear Extrapolation– The process of using a linear equation to make

predictions about values that are beyond the range of the data

Slope-Intercept Form (4-1)

IXL S.8

Point Slope Form (4-3)

IXL S.16

Parallel/ perpendicular lines (4-4)

IXL S.18

Inverse Functions (4-7)

Lines of best fit / Correlation (4-5 & 4-6)

Lines of best fit / Correlation (4-5 & 4-6)

Lines of best fit / Correlation (4-5 & 4-6)

Lines of best fit / Correlation (4-5 & 4-6)

Chapter 5

• Multi-Step Inequalities (5-3)• Compound Inequalities (5-4)• Absolute Value Inequalities (5-5)• Graphing Two Variable Inequalities (5-6)

Chapter 5 Vocabulary

• Intersection– The graph of the compound inequality containing the word

and shows the intersection of the individual graphs• Union

– The graph of the compound inequality containing the word or shows the union of the individual graphs

• Boundary– The graph of inequalities containing > or < do NOT include

the boundary.– The graphs of inequalities containing include the

boundary.

Multi-Step Inequalities (5-3)

IXL K.10

Compound Inequalities (5-4)

IXL K.15

Absolute Value Inequalities (5-5)

IXL L.3

Graphing Two Variable Inequalities(5-6)

IXL T.3

Chapter 6

• Graphing Systems of Equations (6-1)• Substitution (6-2)• Elimination (6-3 and 6-4)

Chapter 6 Vocabulary

• Standard Form– An equation of the form Ax + By = C

• Inconsistent– A system of equations that has no solution

• Consistent– A system of equations that has at least one

solution

Graphing Systems of Equations (6-1)

IXL U.4

Substitution (6-2)

IXL U.8

Elimination (6-3 and 6-4)

Elimination (6-3 and 6-4)

IXL U.10