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Post New Question
All Questions
+0
234655 Questions
0
25
0
+1348
Quadratic
Find the value of $v$ such that $\frac{-21-\sqrt{201}}{10}$ a root of $5x^2+21x+v = 0$.
sandwich
Jan 14, 2024
0
35
0
+1348
Quadratic Equations
For what values of $j$ does the equation $(2x + 7)(x - 4) = -31 + jx$ have exactly one real solution? Express your answer as a list of numbers, separated by commas.
sandwich
Jan 14, 2024
0
40
0
+64
Grids
My question is: In a 4x4 grid, point A is the bottom left corner and point Z is the upper right corner. How many ways are there to get from point A to point Z if you can only go up, right, or diagonally up and right?
Chandalier
Jan 14, 2024
0
33
0
+1887
Find c
Find the largest real number $c$ such that $1$ is in the range of $f(x)=x^2-5x+c-3x+8$.
tomtom
Jan 14, 2024
+1
14
2
+1887
Square of Binomial
Find the sum of all values of $k$ for which $x^2 + kx - 9x + 25 - 9$ is the square of a binomial.
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tomtom
Jan 14, 2024
0
24
1
+1756
Tangents
Find ED
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bader
Jan 14, 2024
0
38
0
+1756
Tangents
Help find the value of x.
bader
Jan 14, 2024
0
21
1
+1756
Tangents
If AD = 4 and AC = 8, find AB.
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bader
Jan 14, 2024
0
36
1
+1756
Tangents
Find length PA plz
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bader
Jan 14, 2024
0
30
1
+8
dilation
Let G be the center of equilateral triangle XYZ. A dilation centered at G with scale factor -7/5 is applied to triangle XYZ to obtain triangle X'Y'Z'. Let A be the area of the region that is contained in both triangles XYZ and X'Y'Z' Find A/XYZ</
read more ..
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uioufdiufos
Jan 14, 2024
0
36
1
+8
geometry
In the diagram below, P is a point inside square ABCD. Find x.
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uioufdiufos
Jan 14, 2024
0
27
1
+1678
Domain
Find the domain of the function $f(x) = \sqrt{6-x-x^2-2x^2}$.
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wiseowl
Jan 14, 2024
0
28
0
+1756
coordinates
Find the area of the region enclosed by the graph of the equation $x^2-14x+3y+70=15+9y-y^2$ that lies below the line $y=x-3$.
bader
Jan 14, 2024
+1
34
1
+1756
Rate problem
Five workers have been hired to complete a job. If one additional worker is hired, they could complete the job $8$ days earlier. If the job needs to completed $28$ days earlier, how many additional workers should be hired?
ElectricPavlov
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bader
Jan 14, 2024
+1
25
1
+1756
Binomial
Find the sum of all values of $k$ for which $x^2 + kx - 9x + 25 - 9$ is the square of a binomial.
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bader
Jan 14, 2024
0
22
2
+1341
Geometry
Let $AC$ be a diameter of a circle $\omega$ of radius $1$, and let $D$ be the point on $AC$ such that $CD = \frac{1}{5}$. Let $B$ be the point on $\omega$ such that $DB$ is perpendicular to $AC$, and let $E$ be the midpoint of $DB$. Compute length $AE$
read more ..
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kittykat
Jan 14, 2024
0
18
1
+1341
Semicircles
Semicircles are constructed on AB, AC, and BC. Find the radius of the circle.
AB
read more ..
ElectricPavlov
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kittykat
Jan 14, 2024
-1
37
1
+1323
Algebra
Ruth has a beaker containing a solution of 800 mL of acid and 200 mL of water. She thinks the solution is a little strong, so she drains 150 mL from the beaker, adds 150 mL of water, and stirs the solution. Ruth thinks the solution is still too strong,
read more ..
ElectricPavlov
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blackpanther
Jan 14, 2024
0
22
2
+1323
Quadratic
Let $a$ and $b$ be the roots of the quadratic equation $x^2-25x+80=-28x+75$. Compute $\frac{a^2}{b} + \frac{b^2}{a}$.
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blackpanther
Jan 14, 2024
0
11
2
+1323
Roots
Let $a$ and $b$ be the roots of the quadratic equation $2x^2 - 7x + 2 = -x^2 + 4x + 9.$ Find $\frac{1}{a+7}+\frac{1}{b+7}.$
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blackpanther
Jan 14, 2024
0
37
0
+1887
Counting
At a meeting, $4$ scientists, $3$ mathematicians, and $2$ journalists to be seated around a circular table. How many different arrangements are possible if every mathematician must be next to a scientist? (Two seatings are considered equivalent
read more ..
tomtom
Jan 14, 2024
-1
18
2
+1887
textbooks
I have $4$ different mathematics textbooks and $3$ different psychology textbooks. In how many ways can I place the $7$ textbooks on a bookshelf, in a row, all the mathematics textbooks are together?
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tomtom
Jan 14, 2024
0
28
0
+1887
Counting
Starting with the A moving one letter at a time vertically, horizontally, or diagonally, how many different paths spell ARCH?
A
RRR
CCCCC
read more ..
tomtom
Jan 14, 2024
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