Page 319 - Algebra 1

22. Determine the slope of the line containing the two points (2, −9) and (4, −25). (44)
23. Formulate Translate “the sum of _1 an unknown and the opposite of 4 is less (45) 2
than 6.”
24. Multiple Choice Marshall deposits $45 into his savings account every month. His
(45)
C 45w+215≤500 D 45w+500>215 25. Write √6 m with a fractional exponent.
(46)
_1 *26. Multiple Choice Which expression is equal to -15 4 ?
(46)
27. Find the percent of increase or decrease from an original price of $500 to a
(47)
new price of $400.
*28. Error Analysis Student A and Student B computed the percent of increase of the
(47)
current balance is $215. After how many months will his balance exceed $500? Write an inequality to represent the situation.
A 45w+215>500 B 45w+500≤215
_4 4
A √ -1 5 B -_
1
C √4 -1 5 D - √4 15
price of gasoline in Idaho at $3.25 in June 2007, from the nationwide average of $3.07. Which student is correct? Explain the error.
√ 15 1
Student A
$3.25 - $3.07 = $0.18 ___
$3.07 $3.07 ≈ 0.06
= 6%
Student B
$3.07 - $3.25 = - $0.18 ___
$3.25 $3.25 ≈ -0.06
= -6%
*29. Geometry Draw a similar figure whose perimeter is 75% more than the perimeter of
(47)
2 in.
30. Analyze Determine if the premise and the conclusion use inductive or deductive
(Inv 4)
the square below.
reasoning. Explain your choice.
Premise: The light turned on the last 50 times the switch was flipped. Conclusion: The light will turn on the next time the switch is flipped.
304 Saxon Algebra 1