Regentspractice0614.pdf - Part I Answer all 24 questions in...

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Algebra I (Common Core) – June ’14[3][OVER]Part IAnswer all 24 questions in this part. Each correct answer will receive 2 credits. No partialcredit will be allowed.For each statement or question, choose the word or expression that, of thosegiven, best completes the statement or answers the question. Record your answers on yourseparate answer sheet.[48]Use this space forcomputations.1When solving the equation 4(3x22)98x27, Emily wrote4(3x22)8x216 as her first step. Which property justifiesEmily’s first step?(1)addition property of equality(2)commutative property of addition(3)multiplication property of equality(4)distributive property of multiplication over addition2Officials in a town use a function,C, to analyze traffic patterns.C(n) represents the rate of traffic through an intersection wherenis the number of observed vehicles in a specified time interval.What would be the most appropriate domain for the function?(1) {…2,1, 0, 1, 2, 3, …}(3){0,1__2, 1, 11__2, 2, 21__2}(2){2,1, 0, 1, 2, 3}(4){0, 1, 2, 3, …}3IfA3x25x6 andB2x26x7, thenABequals(1)5x211x13(3)5x2x1(2) 5x211x13(4) 5x2x1OOO3256226732562267521113
Algebra I (Common Core) – June ’14[4]Use this space forcomputations.4Given:yx2y3x2Which graph shows the solution of the given set of inequalities?5Which value ofxsatisfies the equation7__3(x9___28)20?(1) 8.25(3) 19.25(2) 8.89(4) 44.92(1)(3)(2)(4)yxyxyxyxO
Algebra I (Common Core) – June ’14[7][OVER]Use this space forcomputations.11What is the correlation coefficient of the linear fit of the data shownbelow, to thenearest hundredth?12Keith determines the zeros of the functionf(x) to be6 and 5.What could be Keith’s function?6)6)

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Term
Fall
Professor
NoProfessor
Tags
Elementary algebra, Academic term

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