All Questions ⁺⁰237293 Questions

0

38

1

+2729

Algebra

Real numbers a and b satisfy
a + ab = 250
a - ab = -240
Enter all possible values of a, separated by commas.

LiIIiam0216 Jun 22, 2024

0

22

1

+2729

Algebra

Fill in the blanks to make a quadratic whose roots are $1$ and $-1.$
x^2 + ___ x + ___

Lilliam0216 ●

LiIIiam0216 Jun 22, 2024

0

23

1

+363

Find the largest integer k such that the equation 5x^2 - kx + 8 - 2x^2 + 25 =0 has no real solutions

Find the largest integer k such that the equation 5x^2 - kx + 8 - 2x^2 + 25 =0 has no real solutions

Lilliam0216 Jun 22, 2024

0

28

1

+363

Find the discriminant of the quadratic 5x^2 - 2x + 8 - 2x^2 + 6x + 2.

Find the discriminant of the quadratic 5x^2 - 2x + 8 - 2x^2 + 6x + 2.

Lilliam0216 Jun 22, 2024

0

16

1

+363

The roots of Ax^2+Bx+1 are the same as the roots of x^2- 3x + 5 + x^2 - 2x + 1. What is A+B?

The roots of Ax^2+Bx+1 are the same as the roots of x^2- 3x + 5 + x^2 - 2x + 1. What is A+B?

Lilliam0216 Jun 22, 2024

0

37

1

+22

Help

What if…
Sam read 1/5 of a book on the 1st day, 20 pages on the 2nd day and 1/6 of the remaining pages on the 3rd day. He read the remaining 1/2 of the book on the 4th day. How many pages were there in the book?
Show how read more ..

derpmcfearson Jun 22, 2024

0

28

1

+1556

Algebra

Find the largest value of $x$ such that $3x^2 + 17x + 15 = 2x^2 + 21x + 12 - 5x^2 + 17x + 34.$

kittykat Jun 22, 2024

0

22

1

+1556

Algebra

Find the number of ordered pairs $(a,b)$ of integers such that
\frac{a + 2}{a + 1} = \frac{b}{12}.

kittykat Jun 22, 2024

0

36

1

+1556

Algebra

The system of equations \frac{xy}{x + y} = 1, \quad \frac{xz}{x + z} = 1, \quad \frac{yz}{y + z} = 1 has exactly one solution. What is $z$ in this solution?

kittykat Jun 22, 2024

0

42

0

+1556

Counting

The entries in a certain row of Pascal's triangle are
\[1, n, \dots, n, 1.\]
The average of the entries in this row is 2. Find $n$.

kittykat Jun 22, 2024

0

19

1

+900

Algebra

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.

eramsby1O1O Jun 22, 2024

0

30

0

+900

Algebra

Find the largest real number $c$ such that $1$ is in the range of $f(x)=x^2-5x+c-3x+8$.

eramsby1O1O Jun 22, 2024

0

33

1

+900

Algebra

Find the sum of all values of $k$ for which $x^2 + kx - 9x + 25 - 9$ is the square of a binomial.

eramsby1O1O Jun 22, 2024

0

23

1

+900

Algebra

Find the domain of the function $f(x) = \sqrt{6-x-x^2-2x^2}$.

eramsby1O1O Jun 22, 2024

-3

18

1

+216

Algebra

Let $x$ and $y$ be nonnegative real numbers. If $x + y = 25$, then find the minimum value of $6x + 3y.$

BRAlNBOLT Jun 22, 2024

-3

34

0

+216

Algebra

Let $x$ and $y$ be real numbers. If $x^2 + 3y^2 = 18$, then find the maximum value of $x + y$.

BRAlNBOLT Jun 22, 2024

-3

31

0

+216

Algebra

Let $c$ be a real number. What is the maximum value of $c$ such that the graph of the parabola $y = -6x^2$ has at most one point of intersection with the line $y = 5x+c?$

BRAlNBOLT Jun 22, 2024

-3

41

0

+216

Algebra

Find all real values of $p$ such that
(x+1)(x-2p)
has a minimum value of 0 over all real values of $x$.

BRAlNBOLT Jun 22, 2024

0

25

1

+1766

Algebra

Fill in the blanks with numbers to make a true equation.
3x^2 + 12x - 4 - 2x^2 + 6x + 7 = ___ (x + ___ )^2 + ___

blackpanther Jun 22, 2024

0

37

0

+1766

Algebra

The parabola y = ax^2 + bx + c is graphed below. Find a + b + c. (The grid lines are one unit apart.)
The parabola passes through (-2,8), (0,0), and (2,8).

blackpanther Jun 22, 2024

0

20

1

+1766

Algebra

Find the vertex of the graph of the equation y = -2x^2 + 8x - 15 - 3x^2 - 14x + 25.

blackpanther Jun 22, 2024

0

21

1

+1766

Algebra

Find the constant k such that the quadratic 2x^2 + 3x + 8x - x^2 + 4x + k has a double root.

blackpanther Jun 22, 2024

0

24

1

+52

Help counting plsease

Find the number of ways of choosing three circles below, so that no two circles are next to each other.
The circles go like this: read more ..

MEMEGOD Jun 22, 2024

+2

13

3

+1950

IMPOSSIBLE GEOMETRY

This question is literally impossible.

I know it involves cos and sin and trig, but read more ..

NotThatSmart Jun 22, 2024

0

25

1

+1266

Algebra

Let $a$ and $b$ be complex numbers. If $a + b = 1$ and $a^2 + b^2 = 2,$ then what is $a^3 + b^3?$

Akhain1 Jun 22, 2024

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