Splash Screen Then/Now You solved systems of equations by using substitution. Solve systems of equations by using elimination with addition. Solve systems of equations by…
Splash Screen Then/Now You have already worked with the additive inverse of a number when you subtracted integers. (Lesson 2–3) Solve equations by using the Addition and…
Splash Screen Then/Now You have already used tree diagrams or the Fundamental Counting Principle to find the probability of an event. (Lesson 13â8) Use permutations. Use…
Splash Screen Then/Now You have already learned how to find function rules and create function tables. (Lesson 1–5) Determine whether a relation is a function. Write a…
Splash Screen Then/Now You wrote linear equations given either one point and the slope or two points. Write equations of lines in point-slope form. Write linear equations…
Splash Screen Then/Now You will be able to… Name corresponding parts of congruent polygons. Prove triangles congruent using the definition of congruence. Then/Now Congruent-…
Splash Screen Then/Now You have already solved linear equations by graphing. (Lesson 8–2) Solve systems of linear equations by graphing. Solve systems of linear equations…
Splash Screen Then/Now You have already learned operations with fractions. (Lessons 3â3 and 3â4) Write ratios as fractions in simplest form. Simplify ratios involving measurements.…
Splash Screen Then/Now You have already found the volumes of prisms. (Lessons 12–2 and 12–3) Find the volumes of pyramids Concept A Example 1 Volume of a Pyramid Find…