A person dives into a pool from its edge to swim to the other side. The data can be modeled by a quadratic function. Which function best models the data?
Algebra Review EOY

Quiz
•
Mathematics
•
9th Grade
•
Hard
Anthony Clark
FREE Resource
14 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
d(x) = 0.05x² + 0.74x
d(x) = 0.05x² + 0.74x + 9.17
d(x) = 0.26x² - 3.11x
d(x) = 0.26x² - 3.11x + 1
2.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
Which expression is equivalent to (5rt - 3rw - 8tw) + (6rt - 4rw + 2tw)?
11rt + rw - 10tw
11rt - 7rw - 6tw
11rt + rw - 6tw
11rt - 7rw - 10tw
3.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
The solutions to p(x) = 0 are x = -7 and x = 7. Which quadratic function could represent p?
p(x) = x² - 49
p(x) = x² + 49
p(x) = x² - 14
p(x) = x² + 14
4.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
Two points are plotted on the grid. Which equation in slope-intercept form best represents the line that passes through these two points?
y = -2/3x - 11/3
y = -11/3x - 2/3
y = -2/3x - 10/3
y = -10/3x - 2/3
5.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
A construction manager is monitoring the progress of the build of a new house. The scatterplot and table show the number of months since the start of the build and the percentage of the house still left to build. A linear function can be used to model this relationship. Which function best models the data?
y = -13.5x + 97.8
y = -13.5x + 7.3
y = 97.8x - 13.5
y = 7.3x - 97.8
6.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
Given f(x) = x² - 36, which statement is true?
The only zero, 6, can be found when (x - 6)(x - 6)
The only zero, 18, can be found when (x - 18)(x - 18)
The zeros, -6 and 6, can be found when (x + 6)(x - 6)
The zeros, -18 and 18, can be found when (x + 18)(x - 18)
7.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
A function is shown: f(x) = 7 - 4x. What is the value of f(-5)?
27
-13
-15
140
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