**GRAPHING LINES FROM POINTS**

**STANDARDS**

Show that the graph of a function is the set of ordered pairs consisting of an input and the corresponding output. (CCSS.8.F.1)

Interpret the equation y=mx+b as defining a linear function, whose graph is a straight line. (CCSS.8.F.3)

**SLOPE FROM GRAPHS**

**STANDARDS**

Determine the rate of change and initial value of the function from a description of a relationship or from two (x,y) values, including reading these from a table or from a graph. (8.F.4)

**SLOPE FROM POINTS**

**STANDARDS**

Determine the rate of change and initial value of the function from a description of a relationship or from two (x,y) values, including reading these from a table or from a graph. (8.F.4)

**SLOPE INTERCEPT FORM**

**STANDARDS**

Derive the equation *y=mx* for a line through the origin and the equation *y=mx+b* for a line intercepting the vertical axis at *b*. (8.EE.6)

**SOLVING SYSTEMS BY GRAPHING**

**STANDARDS**

Analyze and solve pairs of simultaneous linear equations. (8.EE.8)

Solve systems of two linear equations in two variables algebraically, and estimate solutions by graphing the equations. Solve simple cases by inspection. (8.EE.8b)

**SOLVING SYSTEMS BY SUBSTITUTION**

**STANDARDS**

Analyze and solve pairs of simultaneous linear equations. (8.EE.8)

Solve systems of two linear equations in two variables algebraically, and estimate solutions by graphing the equations. Solve simple cases by inspection. (8.EE.8b)

**SOLVING SYSTEMS BY ELIMINATION**

**STANDARDS**

Analyze and solve pairs of simultaneous linear equations. (8.EE.8)

Solve systems of two linear equations in two variables algebraically, and estimate solutions by graphing the equations. Solve simple cases by inspection. (8.EE.8b)