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SECONDARY
ALGEBRA
PRE-ALGEBRA
NEGATIVE NUMBERS AND COORDINATE PLANE
All
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Negative numbers questions and answers
Recent questions in Negative numbers and coordinate plane
Priscilla Johnston
2021-12-20
Answered
Find the area of the region enclosed by the inner loop of the curve.
\(\displaystyle{r}={2}+{4}{\sin{\theta}}\)
hunterofdeath63
2021-12-17
Answered
Find an equation of the tangent line to the curve at the given point.
\(\displaystyle{y}=\sqrt{{{x}}},\ {\left({81},{9}\right)}\)
Talamancoeb
2021-12-16
Answered
Write the equation of the line tangent to
\(\displaystyle{f{{\left({x}\right)}}}={\tan{{x}}}+{3}\)
at
\(\displaystyle{\left({\frac{{\pi}}{{{4}}}},{4}\right)}\)
Find all values of x such that the tangent line to
\(\displaystyle{f{{\left({x}\right)}}}={\left({x}^{{2}}-{9}\right)}^{{2}}\)
is horizontal.
dedica66em
2021-12-13
Answered
What's the equation of a line that passes through points (0, -1) and (2,3)?
tearstreakdl
2021-12-13
Answered
Determine the set of points at which the function is continuous.
\(\displaystyle{f{{\left({x},{y}\right)}}}={x}^{{2}}\frac{{y}^{{3}}}{{2}}{x}^{{2}}+{y}^{{2}}\)
if (x,y) not equal to (0,0) and 1 if (x,y)=(0,0)
korporasidn
2021-12-07
Answered
Find the point on the plane 2x-y+2z=20 nearest the origin.
ni3s4otqc
2021-12-06
At what point does the curve have maximum curvature?
\(\displaystyle{y}={9}{\ln{{\left({x}\right)}}}\)
What happens to the curvature as
\(\displaystyle{x}\to\infty\)
?
sonkitty2h
2021-11-20
Answered
Show that the distance between the parallel planes
\(\displaystyle{a}{x}+{b}{y}+{c}{z}+{d}_{{1}}={0}\)
and
\(\displaystyle{a}{x}+{b}{y}+{c}{z}+{d}_{{2}}={0}\)
is
\(\displaystyle{D}={\frac{{{\left|{d}{1}-{d}{2}\right|}}}{{\frac{{\left({a}^{{2}}+{b}^{{2}}+{c}^{{2}}\right)}^{{1}}}{{2}}}}}\)
aidmoon2x
2021-11-19
Answered
How do I find the equation for a semicircle with a radius of 2 on the x axis?
I'm doing a calculus project where we have to make a model of some graph rotated about the y axis. I am doing a fish bowl and I have most of it understood and ready. The only thing I'm not sure of is what the equation of the semicircle is if its center is at (0,1.5). I added a picture to help illustrate ith a radius of 2 on the x axis?
ambiguit
2021-11-19
Answered
Find the coordinates of the other endpoint of the segment, given its midpoint. Apply the midpoint formula, and solve the two equations for x and y.
midpoint (7,-1), endpoint (6,8)
Clifton Sanchez
2021-11-15
Answered
Find the curvature K of the curve at the point P.
\(\displaystyle{r}{\left({t}\right)}={t}{i}+{t}^{{2}}{j}+\frac{{t}^{{3}}}{{4}}{k},\ {P}{\left({2},{4},{2}\right)}\)
TokNeekCepTdh
2021-11-15
Answered
Find the point on the hyperbola xy = 8 that is closest to the point (3,0)
Tepliwodav0
2021-11-14
Answered
Find the area of a sector of a circle having radius r and central angle
\(\displaystyle\theta\)
. Express answers to the nearest tenth.
\(\displaystyle{r}={29.2}\ {m},\ \theta={\frac{{{5}\pi}}{{{6}}}}\)
radians
cleritere39
2021-11-13
Answered
Find the area of the surface generated when the given curve is revolved about the x-axis.
\(\displaystyle{y}={\frac{{{x}^{{3}}}}{{{6}}}}+{\frac{{{1}}}{{{2}{x}}}},\ {f}{\quad\text{or}\quad}\ {\frac{{{1}}}{{{2}}}}\leq{x}\leq{1}\)
Idilwsiw2
2021-11-13
Answered
Find the length of the curve.
\(\displaystyle{r}{\left({t}\right)}={8}{i}+{t}^{{2}}{j}+{t}^{{3}}{k},\ {0}\leq{t}\leq{1}\)
ni3s4otqc
2021-11-13
Answered
Find the terminal point P(x, y) on the unit circle determined by the given value of t.
\(\displaystyle{t}={\frac{{{5}\pi}}{{{2}}}}\)
uneskovogl5
2021-11-12
Answered
Find an equation of the largest sphere with center (5, 4, 9) that is contained in the first octant.
vadulgattp
2021-11-11
Answered
Find the point on the line y = 3x + 4 that is closest to the origin.
Phoebe
2021-10-31
Answered
Find the point(s) on the surface at which the tangent plane is horizontal.
\(\displaystyle{z}={x}{y}+{\frac{{{1}}}{{{x}}}}+{\frac{{{1}}}{{{y}}}}\)
Falak Kinney
2021-10-31
Answered
Find an equation of the tangent plane to the given surface at the specified point.
\(\displaystyle{z}={\left({x}+{2}\right)}{2}-{2}{\left({y}-{1}\right)}{2}-{5},{\left({2},{3},{3}\right)}\)
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