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
Quadratic Equations Math Algebra 1 Square Roots

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... more
Quadratic Equations Algebra 1 Functions Complex Numbers

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... more
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. 

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
Quadratic Equations Algebra Algebra Help Help Please Asap

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

04/20/18

T(x)=ax^2+bx+c,T(0)=-4,T(1)=-2,T(2)=6

How do I find a, b and c?
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... more
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... more
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!!
Quadratic Equations Algebra 1 Algebra Word Problem

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 +... more

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