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Algebra 2 Review 4

Quiz by Ann Marie MacDonald

Algebra II - Next Generation (2017)

New York State Next Generation Standards

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Q 1/5
Score 0
Julie averaged 85 on the first three tests of the semester in her mathematics class. If she scores 93 on each of the remaining tests, her average will be 90. Which equation could be used to determine how many tests, T, are left in the semester?
29
$\frac{255+90T}{3T}$ = 93
$\frac{955+93T}{T+3}$ = 90
$\frac{255+\ 93T}{3T}$ =90
$\frac{255+90T}{T+3}$ = 93

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5 questions

Show answers

Q1
Julie averaged 85 on the first three tests of the semester in her mathematics class. If she scores 93 on each of the remaining tests, her average will be 90. Which equation could be used to determine how many tests, T, are left in the semester?
$\frac{255+90T}{3T}$ = 93
$\frac{955+93T}{T+3}$ = 90
$\frac{255+\ 93T}{3T}$ =90
$\frac{255+90T}{T+3}$ = 93
30s
Q2
Given i is the imaginary unit, (2 - yi)² in simplest form is
-y² - 4yi + 4
y²+4
y²- 4yi + 4
-y²+4
30s
Q3
30s
Q4
The zeros for f(x) = x⁴ - 4x³ - 9x² + 36x are
{0,3,4}
{0, $\pm$ 3, 4}
{0, $\pm$ 3,-4}
{0,3,-4}
30s
Q5
The heights of women in the United States are normally distributed with a mean of 64 inches and a standard deviation of 2.75 inches. The percent of women whose heights are between 64 and 69.5 inches, to the nearest whole percent, is
68
48
6
95
30s

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