693 Answered Questions for the topic Quadratic Equations

Quadratic Equations

05/19/18

#### Find all solutions to each quadratic equation: y=2x(squared)- 2x +5... The discriminant is negative so why in my packet it says there are real answers

How would i also complete the square for this?... and also how do imaginary numbers come into this??

Quadratic Equations

05/17/18

#### what are the solutions for the quadratic equation x2-8x=32

answer choice;
A) -2, 16
B) 2, -16
C) 4+4 q square root 3
D) -4+4 square root 3

05/16/18

#### Solve 3 x 2 − 3 √ (2 3 √ x+4 3 √ )=0 3x2−3(23x+43)=0 by completing the square

I don't know how to do it and would like an explanation of how to do it.

Quadratic Equations

05/09/18

#### What value does k have two equal real roots

for what values of K does 3x^2-kx+2 have two equal real roots

Quadratic Equations Algebra 1

05/05/18

#### word problem

for a fund raising activity , a charitable organization produces calenders to sell in the community. The profit, y (in dollars), can be approximated by;
y=-1/40x^2+10x-500 where x is the number of...
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05/04/18

#### i need to solve a word problem....

Nba basketball legend Michael Jordan had a 48in. vertical leap. suppose that Michael jumped from ground level with an initial velocity of 16ft/sec. Michaels height h (in feet) at a time t seconds...
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Quadratic Equations Algebra

05/04/18

#### i need to solve the quadratic equation 9x^2=11x

i can use any method to solve the equation

Quadratic Equations

05/02/18

#### the sum of two numbers is 16 the sum of their reciprocals is 1/3 find the numbers

these question is releated to numbers and please give me full answer

Quadratic Equations

05/01/18

#### One number is 4 more than another. The difference between their squares is 128. What are the numbers?

I'm stuck! help!

Quadratic Equations

04/27/18

#### Find the values of k for which the x-axis is a tangent to the curve y=3x^2 - 8x + 5 - k. For each value of k, find the coordinates of the point of tangency.

This question is asking for the range of values for k using the discriminant, while x=0 since it’s the x-axis. Thanks for helping!!

Quadratic Equations

04/27/18

#### show that the quadratic equation x^2 + hx + k =0 has two real distinct roots for all negative values of k.

The questions is asking us to prove that this equation is true for all negative values of k.

04/27/18

#### Problems leading to quadratic equations

The height of a right-angled triangle is 3 cm more than the width. The area is 10 cm2. Find the width of the triangle.

Quadratic Equations Word Problems

04/25/18

#### find two consecutive integers whose product is 194 more than their sum.

find two consecutive integers whose product is 194 more than their sum.

Quadratic Equations Algebra 1

04/23/18

#### Write two different quadratic equations in standard form such that each equation has only one unique real solution.

A. y = x2; y = x2 + 1 B. y = x2 + 2x + 1; y = x2 + 4x + 4 C. y = x2 − 4; y = x2 − 9 D. y = x2 + 6x + 9; y = 4 + x2 + 4x

Quadratic Equations Algebra I

04/23/18

#### Given the equation ax2 + bx + c = 0, describe a set of conditions such that the equation has two solutions that are opposite values.

A. The equation must be the difference of squares. B. The equation 0 = ax2 + bx + c must have b = 0 and ac < 0. C. both of the above D. none of the above

04/23/18

#### Find the value of p and the value of q

The roots of a quadratic equation x^2+px+q=0 are 3 and -2.

Quadratic Equations

04/16/18

#### The graph of a quadratic function has a y intercept at (0,5) and minimum at (3, -4), write the equation of its curve

the graph of a quadratic function has a y intercept at (0,5) and minimum at (3, -4),
Question a: write the equation of its curve
Question b: write the coordinates of the root of this quadratic...
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Quadratic Equations

04/13/18

#### Find the x-intercepts of the function f(x)=x2+2x−9.

Find the x-intercepts of the function f(x)=x2+2x−9. Express your answers in exact form and separate them with commas

Quadratic Equations

04/06/18

#### Find out the time for each pipe separately?

To fill a swimming pool 2 pipes are used . If the pipe of the larger diameter used for 4 hours and pipe of smaller diameter for 9 hours then only half of the pool is filled.Find how long it would...
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Quadratic Equations

04/06/18

#### d=.04v2 +.5v. Driver must be able to stop within 60 ft. What is the safe speed to the nearest mile of the car

Formula for stopping distance is d. v is the speed of the car.

Quadratic Equations

04/04/18

#### how do you solve 3x^2-2x-3=0

It should be answered in three significant figures.

Quadratic Equations Quadratic Formula

03/28/18

#### x^2 = 11 - 4x , How do you answer this is in the quadratic formula?

Need Help!!

Quadratic Equations Quadratic Formula

03/28/18

#### 2n^2 + 14 = 11n , How do you answer this in the quadratic formula?

Need Help!!

03/21/18

#### An office supply store sells about 8 graphing calculators per month for $120 each. (cont. in description)

For each $6 decrease in price, the store expects to sell eight more calculators.The revenue from calculator sales is given by the function R(n) = (unit price)(units sold), or R(n) = (120 - 6n)(80 +...
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