MHF4U NAME: ____________________________ DATE: ______________ UNIT 0 EXTRA PRACTICE 1. Simplify the following. Final solutions are below. __________________________________________________________ _____________________________________________________________
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UNIT 0 Extra Practice - … · UNIT%0% EXTRA%PRACTICE% % 1.#Simplifythe#following.#Final#solutions#are#below ... 9.#Simplifythe#following.#Answers#below ... UNIT 0 Extra Practice
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Solutions 1. 4 2 2. 2 17 3. 15 10 4. 36 5. 4 6. 0 12. Find the solutions to the following quadratic equations. Solutions below. a) 𝑦 = 2𝑥 − 3 𝑥 + 2 b) 2𝑥! = 8𝑥 + 42 c) 2𝑥! − 8𝑥 = 0 d) 3𝑥! + 2𝑥 − 4 = 0 e) 𝑦 = 𝑥! f) 𝑦 = 16𝑥! − 9 Solutions: a) !
!,−2 b) 7, -‐3 c) 0, 4 d) − !
!± !"
! e) 0 f) !
!,− !
!
13. Determine if the following relations are linear, quadratic, or cubic. Solutions below. a) b)
Solutions: a) cubic b) linear 14. Determine the domains and ranges of the following relations. Use any method (reasoning, table of values, graphin, etc.) to justify your answer. Solutions to the right.
Solutions
x y -‐3 -‐29 -‐2 -‐10 -‐1 -‐3 0 -‐2 1 -‐1 2 6 3 25