Waterfall Trivia Coordinate Algebra EOCT Review Rules Questions

Waterfall Trivia Coordinate Algebra EOCT Review

Rules • • Questions come in rounds of 5. Turn in answers after a round. Each question will be shown for 2 minutes. Please use your notes! • Rounds 1 and 2: Questions worth 1 -5 points • Rounds 3 and 4: Questions worth 6 -10 points • Final round: Wager 1 -15 points

Round 1 Question 1 Find three consecutive numbers whose sum is 156.

Round 1 Question 2 Write an equation to model the situation: The number of cells in a sample quadruples every 24 hours. There were 20 bacteria in the sample initially. Write an equation to find b, the number of bacteria in the sample after d days.

Round 1 Question 3 Twice a number is three less than three times the number. What is the number?

Round 1 Question 4 Use the sequence below: 18, 14, 10, 6 Write an explicit formula for the nth term.

Round 1 Question 5 For a geometric sequence, you are given that a 1 = 3 and r = 20. Find a 4.

End of Round 1 • • • Q 1 answer: Q 2 answer: Q 3 answer: Q 4 answer: Q 5 answer: 51, 52, 53 b = 20(4 d) 3 an = -4 n + 22 24, 000

Round 2 Question 1 What is the slope of a line that is perpendicular to the line that passes through the points (4, 7) and (9, 3)?

Round 2 • Question 2

Round 2 • Question 3

Round 2 Question 4 What is the domain of the function graphed at the right?

Round 2 Question 5 Identify the x- and y-intercepts for the graph of 6 x + 3 y = 18

End of Round 2

Round 3 • Question 1

Round 3 • Question 2

Round 3 • Question 3

Round 3 • Question 4

Round 3 Question 5 This graph shows the growth of a city’s population over time. What does the y-intercept represent in terms of the city’s population?

End of Round 3

Round 4 Question 1 Two linear functions are represented below. Which function has the greater rate of change?

Round 4 Question 2 If an = 2 an-1 + 3 and a 2 = 11, what is a 4?

Round 4 Question 3 The graph at the right shows the amount of bacteria, A(t), present over a time period in days, t, where t > 0. What is the approximate rate of change for the function A(t) over the interval [0, 20]?

Round 4 Question 4 Two linear functions are represented below. Compare the rates of change of the functions.

Round 4 Question 5 Is the function represented in the table linear, exponential, or neither?

End of Round 4

Final Round •

Final Round Solution D. g(x) = f(x) + 4