ALG1 Unit 3 Linear Functions Review
Quiz by Pam McCarthy
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- Q 1/18Score 029
18 questions
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- Q130s
- Q2Amy is purchasing pizzas. Let x represent the price of pepperoni pizzas and y represent the price of cheese pizzas. She orders 2 pepperoni pizzas and 3 cheese pizzas and the total is $56. Which equation represents the food order.56 + 2y = 3x3x + 2y = 56x + y = 562x + 3y = 5630s
- Q3Find the slope of the line that connects the following points (-2, -3) and (-10, -9)-1/21/23/4-3/430s
- Q4Which function represents the correct SIMPLIFIED explicit function for this sequence? {3, 9, 15, 21, 27, 33, ...}f(n) = 6n + 10f(n) = -6n - 3f(n) = 6n - 3f(n) = 6n - 1030s
- Q5Write the following sequence in recursive form. {21, 18, 15, 12, 9, ...}f(n-1) = f(n-1) - 3f(n) = f(n-1) + 3f(n) = f(n-1) - 3f(n-1) = f(n) - 330s
- Q6Which table of data has a constant rate of change?BCCA30s
- Q730s
- Q830s
- Q9Part 1: What function represents the amount of money you have remaining in your account each week.y = 20 + 400xy = 400 + 20xy = 20 - 400xy = 400 - 20x30s
- Q10Part 2: What is the average rate of change of the function? What does it mean in the context of the problem.rate of change: -20 It means you increase your starting amount by $20 each week.rate of change: 20 It means you increase your starting amount by $20 each week.rate of change: -20 It means you decrease your starting amount by $20 each week.rate of change: 400 It means you decrease your starting amount by $400 each week.30s
- Q11Part 3: What is the x-intercept and what does it mean in context of the problem?x intercept: 20 weeks Meaning: When x is zero, the y-value is 20.x intercept: 20 weeks Meaning: After 20 weeks the y value is 400.x intercept: 20 weeks Meaning: After 20 weeks the y value is zero. The x-intercept is where the y-value is zero.x intercept: 0 weeks Meaning: After 20 weeks the x value is zero.30s
- Q12Part 4: What does the y-intercept mean in the context of the problem.The y-intercept is the starting point. The starting point in this problem is the beginning amount in his bank account $20.The y-intercept is the rate of change in the problem which is $20.The y-intercept is the starting point. The starting point in this problem is the beginning amount in his bank account $400.The y-intercept is the rate of change in the problem which is -$20.30s
- Q13What is the correct domain and range in the context of this problem?Domain: 0 ≤ x ≤ 20 Range: 0 ≤ y ≤ 200Domain: $0 ≤ y ≤ 400 Range: 0 ≤ x ≤ 20Domain: 0 ≤ y ≤ 20 Range: 0 ≤ x ≤ 400Domain: 0 ≤ x ≤ 20 Range: 0 ≤ y ≤ 40030s
- Q1430s
- Q1530s
