For square roots, you can use
sqrt() or the exponent (1/2)
. For example, the square root of two in WeBWorK is either sqrt(2) or 2^(1/2). For cube roots, use the exponent (1/3). The cube root of 7 is then 7^(1/3).
How do you enter an answer in WeBWorK?
The way to enter this in WeBWorK is in interval notation: [0,infinity). Other intervals: (2,3] is the set 2<x<=3.
How do you type in WeBWorK?
One answer is
x>=0
(x is greater than or equal to 0). The best way to enter this in WeBWorK is by using interval notation: [0,infinity). Other intervals: (2,3] is the set .
How do you represent square roots?
A square root is written with a
radical symbol √
and the number or expression inside the radical symbol, below denoted a, is called the radicand
How do you do interval notation in WeBWorK?
On answer is
x>=0
(x is greater than or equal to 0). The way to enter this in WeBWorK is in interval notation: [0,infinity). Other intervals: (2,3] is the set 2<x<=3.
How do you write less than or equal to in WeBWorK?
- + Addition.
- – Subtraction.
- Multiplication can also be indicated by a space or jutaposition, e.g. 2x, 2 x or 2*x, also 2(3+4).
- / Division.
- ^ or ** You can use either ^ or ** for exponentiation, e.g. 3^2 or 3**2.
- < Less than and > greater than.
- <= Less than or equal and >= greater than or equal.
What is the easiest way to find square roots?
- Step 1: Pair the digits starting from right to left.
- Step 2: Match the unit digit of the number from the chart and determine the possible values of the square root of the unit digit.
- Step 3: Now, we consider the first set of digits of the number.
Which is the square root of 144?
Hence, the square root of 144 is
12
.
What is the square of under root 3?
| Number Square Root (√) | 2 1.414 | 3 1.732 | 4 2.000 | 5 2.236 |
|---|
How do you use U in interval notation?
For example, the infinite interval containing all points greater than or equal to 6 is expressed [6,Inf).
If the set includes more than one interval, they
are joined using the union symbol U.
What is U in interval notation?
We used a “U” to mean
Union
(the joining together of two sets).
How do you write two interval notation?
Intervals are written
with rectangular brackets or parentheses
, and two numbers delimited with a comma. The two numbers are called the endpoints of the interval. The number on the left denotes the least element or lower bound. The number on the right denotes the greatest element or upper bound.
What is Arcsin equal to?
| sin30 = 0.5 Means: The sine of 30 degrees is 0.5 | arcsin 0.5 = 30 Means: The angle whose sin is 0.5 is 30 degrees. |
|---|
How do you write degrees in WeBWorK?
| Unit Abbreviation | Degrees Centrigrade degC | Degrees Fahrenheit degF | Degrees Kelvin degK | Angle degrees deg |
|---|
How do you write inequalities in WeBWorK?
We will use
square brackets if the inequality includes or equal
to (so either ≤ or ≥ ). We will use round brackets if the inequality is strictly less than or greater than (so either < or > ). If there is no largest value, we can use ∞ (infinity). If there is no smallest value, we can use −∞ (negative infinity).
