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Slecker's user avatar
Slecker's user avatar
Slecker
  • Member for 7 years, 3 months
  • Last seen more than a month ago
12 votes
2 answers
2k views

How does the middle term of a quadratic $ax^2 + bx + c$ influence the graph of $y = x^2$?

6 votes
5 answers
4k views

What does it mean to have an absolute value equal an absolute value?

4 votes
6 answers
126 views

Failed solution for solving $\cos(\theta) = -\sin(-\theta)$

4 votes
2 answers
170 views

How to rationalize multiple terms with fractional exponents

4 votes
2 answers
4k views

What does "with respect to x" mean when integrating?

3 votes
1 answer
358 views

Why use limit laws to verify continuity instead of direct substitution?

3 votes
2 answers
3k views

Why do the "rules" of horizontal asymptotes of rational functions work?

3 votes
2 answers
2k views

Why does dividing a polynomial by $x-a$ give the same quotient as evaluating it at $x=a$ using synthetic division?

3 votes
2 answers
2k views

Why is an angle defined as the ratio between the arc length and the radius, and why is arc length defined as the product of the radius and an angle?

3 votes
1 answer
2k views

Why is using the arc length of a circle, $s$, equivalent to using the angle measure in radians, $\theta$, as the input of the trigonometric functions?

2 votes
7 answers
438 views

Why must I use the conjugate of $3i$ for $\frac{5i-4}{3i}$ to get rid of $i$ in the denominator instead of just using $i$?

2 votes
2 answers
181 views

Confusion regarding proof of subtraction of a negative number.

2 votes
1 answer
1k views

Why can't there be complex numbers in the denominator?

2 votes
6 answers
277 views

Missing solutions from $\tan(\theta)=2\sin(\theta)$

2 votes
1 answer
418 views

Using sum-to-product formula to solve $\sin(2\theta)+\sin(4\theta)=0$

2 votes
2 answers
51 views

If $a = b$, then $f(a) = f(b)$ does $f(x)$ need to be a one-to-one function or can $f(x)$ be any type of function?

2 votes
1 answer
1k views

Is the converse of if $a=b$, then $f(a)=f(b)$ not necessarily true?

2 votes
2 answers
1k views

How to find the bounds for Squeeze theorem when evaluating limits?

2 votes
3 answers
246 views

Confusion about bounds for $\sin(x) + \cos^3(x)$

2 votes
1 answer
323 views

Is it valid to use the Geometric Series Test for Power Series?

1 vote
1 answer
197 views

Can the gradient exist for a function of $n + 1$ variables?

1 vote
1 answer
452 views

Factoring out a greatest common factor from an expression raised to a power.

1 vote
1 answer
566 views

Confusion regarding Fermat's Theorem and Closed Interval Method

1 vote
1 answer
317 views

Do constraints influence the domain of the objective function in optimization problems?

1 vote
1 answer
1k views

Is the Midpoint Rule the average of the lower and upper estimates of an integral?

1 vote
0 answers
55 views

Why rationals for limits at infinity?

1 vote
2 answers
145 views

Can Trigonometric Substitution be used to derive the anti-derivative $\int \frac{1}{x^2 -a^2}dx = \frac{1}{2a}\ln|\frac{x-a}{x+a}| + C$?

1 vote
3 answers
312 views

Using the Squeeze Theorem to Evaluate $\lim_{t \to 0} \frac{t^2} {\sin^2(t)}$ [duplicate]

1 vote
1 answer
84 views

How to graphically interpret the Chain Rule?

1 vote
2 answers
279 views

When is it possible to "move" an exponent out of a radical?