WorksheetsBINICUIL NATIONAL HIGH SCHOOL SECOND QUARTER EXAM MATHEMATICS 9
Total questions: 13
Worksheet time: 7mins
For 2 quantities x and y, an increase in x causes an increase in y, similarly, a decrease in x causes a decrease in y. What type of variation is illustrated?
Direct Variation
Inverse Variation
Combined
Joint
The number of persons (N) needed to do a job, varies inversely with the number of days (D) to finish the job. Identify the type of variation needed.
Direct Variation
Inverse Variation
Combined Variation
Joint
Translate the statement “P varies directly as the square of k and inversely as S”.
P = k²/S
P = kx
P = kx²
P = k/S
The service (F) of a physical therapist varies directly with the number of hours (N) of service rendered. Which of the ff. is the mathematical equation to the given statement?
A. f = kn
B. F = k/n
C. F = n/k
D. F = n
Which of the values shows an inverse variation?
| x | 1 | 2 | 3 | 4 | | y | 2 | 4 | 6 | 8 |
| x | 2 | 3 | 4 | 5 | | y | 6 | 4 | 3 | 2 |
Transform the given radical expression ³√32 into exponential form.
³√26
³√26
5²
321 /3
What is the radical form of 2⁶/³?
√26
³√26
⁶√26
⁵√26
If (√a)ⁿ = (a²)ⁿ = aⁿ, ________
a
n
aⁿ
an
If ³√ab = ³√a · ³√b, what is the simplified form of ³√16
2
2³√2
√2
√3
Apply the law of radical n√(a/b) to solve √(108/12)
3
10
4
5
Simplify √x⁴
x
x²
x³
2x
Simplify √150
5√2
5√6
√6
5
y varies directly as x and x=35 when y=7. Solve for y when x=25
5
4
3
2
