ALEKS Math Placement Exam (New 2024/ 2025 Update) Questions and Verified Answers_ 100% Correct_ Graded A

ALEKS Math Placement Exam (New 2024/
2025 Update) Questions and Verified
Answers_ 100% Correct_ Graded A
QUESTION
When graphically solving a system of linear equations, what does it mean when the lines
intersect at a single point?


Answer:
exactly one solution



QUESTION
When graphically solving a system of linear equations, what does it mean when two lines are
the same?


Answer:
infinite solutions



QUESTION
When graphically solving a system of linear equations, what does it mean when two lines are
different are parallel?


Answer:
no solution



QUESTION
direct variation


Answer:
the ration y/x is constant, y=kx (k doesnt equal 0)

,QUESTION
inverse variation


Answer:
the product yx remains constant, y= k/x (k doesnt equal 0)



QUESTION
joint variation


Answer:
the ration y/xz remains constant, y/kxz (k doesnt equal 0)



QUESTION
(^n√a)(^n√b)=


Answer:
^n√ab (product rule)



QUESTION
(b doesnt equal 0) (^n√a)/(^n√b)


Answer:
^n√a/b (quotient rule)



QUESTION
(for a > or equal to 0) (^n√a^m)


Answer:
(^n√a)^m (root of a power)

, QUESTION
(for n even & odd) ^n√a^n


Answer:
a (root of a power)



QUESTION
^m√^n√a


Answer:
^mn√a (root of a root)



QUESTION
perfect cubes


Answer:
8 = 2^3
27 = 3^3
64 = 4^3
125 = 5^3



QUESTION
perfect fourth powers


Answer:
16 = 2^4
81 = 3^4
256 = 4^4



QUESTION
perfect fifth powers