BELL RINGER 6–C   What is the y-coordinate at which the line determined by the equation 5𝑥+2=7𝑦−3 intercepts the y-axis? Hint: 𝑦=𝑚𝑥+𝑏

Topic: Quadrilaterals What is a Quadrilaterals   Definition: a quadrilateral is a closed four sided figure with four sides and four vertices. Example:

Topic: Quadrilaterals How do we name Quadrilaterals?   Quadrilaterals are named by listing their vertices in order. The symbol used to identify a quadrilateral is Vertices      Example: Name the above quadrilaterals in four different ways. C D A B

Topic: Quadrilaterals What is consecutive and nonconsecutive   Consecutive: sides, angles, vertices that are next to each other Nonconsecutive: sides, angles, vertices, that are not next to each other. Example: Name all pairs of consecutive angles      B A L E

Topic: Quadrilaterals How many degrees are in a quadrilateral   There is 360° in a quadrilateral.      Example: find the measure of ∠𝑈 in a quadrilateral KDUC if 𝑚∠𝐾=2𝑥, 𝑚∠𝐷=40, 𝑚∠𝑈=2𝑥, and 𝑚∠𝐶=40. C D B A