Math 1: Algebra, Geometry and Statistics Ms. Sheppard-Brick 617.596.4133 http://lps.lexingtonma.org/Page/2434 Name: Date: Exit Ticket 7 – Simplifying Expressions – Section 2.04 CORE A. Simplify each expression. 1. −5 2𝑥 + 7 − 1 2. 2𝑥 − 𝑧 + 3𝑥 − 5 + 𝑧 + 2 3. 3 𝑐 + 2𝑑 − 4(−𝑐 + 𝑑) 4. 10 − 6(𝑦 + 5) B. The lengths and widths of four rectangles are given below. For each rectangle, find an expression for the area and an expression for the perimeter. Simplify your expression. Dimensions Area Perimeter 𝐴𝑟𝑒𝑎 𝑜𝑓 𝑎 𝑅𝑒𝑐𝑡𝑎𝑛𝑔𝑙𝑒 = 𝑙 ∗ 𝑤 𝑃𝑒𝑟𝑖𝑚𝑒𝑡𝑒𝑟 𝑜𝑓 𝑎 𝑅𝑒𝑐𝑡𝑎𝑛𝑔𝑙𝑒 = 2𝑙 + 2𝑤 length: 5𝑥 + 9 width: 2 length: 11 width: 𝑥 − 3 1 Math 1: Algebra, Geometry and Statistics Ms. Sheppard-Brick 617.596.4133 http://lps.lexingtonma.org/Page/2434 Name: Date: EXTENSION C. Simplify the expression 2 3𝑚 + 5 − 5 𝑚 + 1 − 4. Then evaluate the simplified function for each value of m. Simplify: 2 3𝑚 + 5 − 5 𝑚 + 1 − 4. Value of m Plug in and Simplify Value of Expression 𝑚 = 3 𝑚 = −2 1 𝑚 = 3 𝑚=− 4 11 2
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