• Revisit the strategies you have used in previous problems. How can you predict whether the sum of two integers is 0, positive, or negative? Explain your reasoning
using an equation, number lines, or chip boards.

Which equation can be simplified to find the inverse of y = 2x2?

What is the rotational symmetry of a wheel

1. 2. ∠b and ∠y are right angles. 3.? 4.? which two statements are missing in steps 3 and 4? ∠x ≅ ∠c △abc ~ △zyx by the sas similarity theorem. ∠b ≅ ∠y △abc ~ △zyx by the sas similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem.