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Unit 1A Study Guide

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Last updated almost 3 years ago
41 questions
1
Question 40
40.

How many dots would there be in Step 10?

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Question 41
41.

Which expressions below could be an expression that defines the number of dots as a function of the step number, n? (Select all that apply.)

Question 1
1.

How many squares in step 4?

Question 2
2.

How many squares in step 22?

Question 3
3.

Write an equation that relates the step number, n, to the number of boxes, b.

Question 4
4.

How many squares in step 9?

Question 5
5.

Write an equation that relates the step number, n, to the number of boxes, b.

Question 6
6.

Write an equation that models the baseball's height. Let h represent the ball's height in feet, and t represent time in seconds after it is dropped (from 75 feet).

Question 7
7.

What is a reasonable domain for the equation? (Round to the nearest tenth if necessary.)

Question 8
8.

Approximately how long does it take for the baseball to hit the ground? (Round to the nearest tenth.)

Question 9
9.

The same baseball is thrown from a height of 75 feet with an initial vertical velocity of 65 feet per second. Write an equation that models the baseball's height. Let h represent the ball's height in feet, and t represent time in seconds after it is thrown.

Question 10
10.

What is a reasonable domain for the equation? (Round to the nearest tenth if necessary.)

Question 11
11.

Approximately what is the maximum height of the baseball? (Round to the nearest tenth.)

Question 12
12.

Expand (x - 5)(x + 7). Write your answer in standard form.

Question 13
13.

Expand (2x + 10)(3x - 4). Write your answer in standard form.

Question 14
14.

Expand (x - 10)2. Write your answer in standard form.

Question 15
15.

Expand 3(x + 1)(x - 1). Write your answer in standard form.

Question 16
16.

Expand 4(x2 + 9x - 8). Write your answer in standard form.

Question 17
17.

Number of customers for row 1?

Question 18
18.

Revenue for row 2?

Question 19
19.

Number of customers for row 3?

Question 20
20.

Revenue for row 4?

Question 21
21.

Number of customers for row 5?

Question 22
22.

Number of customers if the membership fee is m?

Question 23
23.

Write an equation to represent R, revenue, as a function of m, the membership fee.

Question 24
24.

Based on the graph of the function, how much should Anytime Fitness charge for membership?

Question 25
25.

How much will they earn in revenue at this cost?

Question 26
26.

Where is the coordinate of one x-intercept of this graph?

Question 27
27.

Where is the coordinate of the other x-intercept of this graph?

Question 28
28.

l represents length and 45 - l represents width. Write an equation that models A, the area of the pasture in square feet, as a function of l, the length in feet.

Question 29
29.

What is a reasonable domain for the equation? (Round to the nearest tenth if necessary.)

Question 30
30.

What should the contractor choose for a length if he wants to maximize the area of the pasture?

Question 31
31.

What would the maximum possible area of the pasture be?

Question 32
32.

What are the coordinates for one of the x-intercepts of the graph?

Question 33
33.

What are the coordinates for the other x-intercepts of the graph?

Question 34
34.

Match each number in the equation with the part of the situation it represents.

Draggable itemarrow_right_altCorresponding Item
85
arrow_right_alt
Initial height
-16
arrow_right_alt
Initial vertical velocity
4
arrow_right_alt
Effect of gravity
Question 35
35.

What is the ball's maximum height? (Round to the nearest tenth.)

Question 36
36.

How long does it take for the football to reach its maximum height? (Round to the nearest tenth.)

Question 37
37.

How long does it take for the football to hit the ground? (Round to the nearest tenth.)

Question 38
38.

Whose work is correct?

Question 39
39.

What is (2n - 3)(n + 4) in standard form?