All Questions

226

quadratic

When the expression 3x^2 - 8x + 7 is written in the form a(x+d)^2+e, where a, d, and e are constants, then what is the sum a+d+e?

Guest Jun 23, 2022

205

Algebra

Solve for x: (3x + 12)(x + 4) = (4x^2 + 8x + 8x^2)/(2x).

Guest Jun 23, 2022

318

Word problem

Five times a number is divided by 7 more than that number. If the result is -8, then what was the original number?

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Guest Jun 23, 2022

217

Algebra

Find all real numbers a that satisfy
1/(a^3 + 7) = -a^3/(a^3 + 7)

Guest Jun 23, 2022

254

quadratic

Ben is climbing a tree with a lot of branches. His height off the ground at time t is 2t^2+8t+29 feet. To the nearest foot, what will his minimum height be?

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Guest Jun 23, 2022

283

PRECAL HELP

Let alpha and beta be angles such that P is the terminal point for alpha and Q is the terminal point for beta, and let R,S,T,U be the same as above:
read more ..

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Guest Jun 23, 2022

272

help number theory

Find the number of positive integers n <= 1000 such that 15n is a perfect square

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Guest Jun 23, 2022

295

+252

if a is real and the product of (a+6i)(5-31) is a real number, then find a

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Blizzardshine Jun 23, 2022

307

geometric sequence

The 4th term of a geometric sequence is 18, and the 10th term is 162. What is the 7th term?

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Guest Jun 23, 2022

348

How many 3-digit numbers have the property that the units digit is at least twice the tens digit?

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hg0428 Jun 23, 2022

350

help polynomial

If (x + 2)(3x^2 + x + 5) = Ax^2 + Bx^2 + Cx + D, what is the value of A + B - C - D?

CubeyThePenguin ●

Guest Jun 23, 2022

313

HELP PLEASE VERY URGENT

Some perfect squares (such as 121) have a digit sum $(1 + 2 + 1 = 4)$ that is equal to the square of the digit sum of their square root $(\sqrt{121}=11$, and $(1 + 1)^2 = 4)$. What is the smallest perfect square greater than 100 that does not have this read more ..

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Guest Jun 23, 2022

294

Coordinates

The line y = (3x + 7)/2 intersects the circle x^2 + y^2 = 25 at A and B. Find the length of chord AB.

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Guest Jun 23, 2022

291

Range

The range of the function g(x) = 2/(2 + 4x + 3x^2) can be written as an interval (a,b]. What is a+b?

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Guest Jun 23, 2022

296

Conic sections

Determine if the graph of the equation below is a parabola, circle, ellipse, hyperbola, point, line, two lines, or empty. Enter the most specific answer.

y^2 - x +5y - 25 = x^2 - 6x + 1 read more ..

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Guest Jun 23, 2022

291

piecewise function

Let
f(x) = 2 - x^2 if x <= 1
f(x) = 2x - x^3 if x > 1
read more ..

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Guest Jun 23, 2022

302

Function

Let
f(z) = z^2 if z is not real
f(z) = -z^2 if z is real
read more ..

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Guest Jun 23, 2022

311

solve for x

12(9-3x)+2x=516

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Guest Jun 23, 2022

303

(-3,6) and (5,6)

find the equation of the line that passes through the points (-3,6) and (5,6)

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Guest Jun 23, 2022

315

value of x

2x+5+3x=25

BuilderBoi ●

Guest Jun 23, 2022

288

Angles

The exterior angles of a triangle are in the ratio . What is the measure (in degrees) of the least interior angle of the triangle?

BuilderBoi ●

Guest Jun 23, 2022

294

quadratic

Find the product of all positive integer values of c such that 3x^2 + 17x + c has two real roots.

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Guest Jun 23, 2022

327

exponents

What is the value of 4^(10)*8^(20)*16^(30)? Express your answer in the form a^b, where a and b are positive integers such that a is the least possible positive integer.

Melody ●●

Guest Jun 23, 2022

276

rates

Three printing presses, R, S, and T, working together at their respective constant rates, can do a certain printing job in 4 hours. S and T, working together at their respective constant rates, can do the same job in 5 hours. How many hours would it take read more ..

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Guest Jun 23, 2022

313

Domain

What is the sum of all values of y for which the expression (y + 6)/(y^2 - 5y + 4 + y^2 - y - 8) is undefined?

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Guest Jun 23, 2022

All Questions ⁺⁰237783 Questions

quadratic

Algebra

Word problem

Algebra

quadratic

PRECAL HELP

help number theory

if a is real and the product of (a+6i)(5-31) is a real number, then find a

geometric sequence

How many 3-digit numbers have the property that the units digit is at least twice the tens digit?

help polynomial

HELP PLEASE VERY URGENT

Coordinates

Range

Conic sections

piecewise function

Function

solve for x

(-3,6) and (5,6)

value of x

Angles

quadratic

exponents

rates

Domain

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