Q2 Flashcards
Luis walks 5 kilometers due east and 8 kilometers due north. How far is he from the starting point?
√89 km
The sum of the square root of a number and 3 is equal to 6. What is the number?
9
The number has a square root of ±3. What is the number?
9
What is the sum of 2√3, -5√2, 10√3, 14√2, and -3√2 ?
6√2 + 12√3
Which of the following describes a direct variation
x 1 2 3 4
y 10 20 30 40
If 3 men can do a portion of job in 8 days, how many men can do the same job in 6 days?
4
If y varies inversely as x, and y=14 when x=2, find the value of y when x=7
4
If s varies directly as t and inversely as v, then which of the following equations describes the relation among the three variables s, t, and v?
kt
S= v
The speed r of a movibg object is inversely proportional to the time t travelled is written as
k
r= —
t
Simplify the expression ³√24x⁶
2x² ³√3
What is the value of k if y varies directly as x, and y=20 when x=5?
4
Simplify √⅔
√6/3
What is the equivalent of ³√4 + ⁴√3 using exponential notation?
4⅓ + 3¼
It is an equation containing at least one radical expression whose radicant has a variable
Quadratic equation
Which of the following describes an inverse variation
x 40 30 20 10
y 8. 6. 4. 2
