Recent questions tagged quadratic-equations

The solution of the expression is $\qquad \qquad \qquad \large\frac{x+3}{1-x}=\frac{-9}{x}$

asked Jul 31, 2018 by meena.p

1 answer

A picture is to be pasted inside a frame. The frame will be cut out of a piece of steel, so as to keep the weight minimum. The final area should be $28\;cm^2$. The inside of the frame where the picture has to be pasted has to be 11 cm by 6 cm. What should be the width of the metal ?

asked Jul 31, 2018 by meena.p

1 answer

The possible solutions for the equations are : $\qquad \qquad \qquad 6x^2+5x-6=0$

asked Jul 31, 2018 by meena.p

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The simplified form of $\large\frac{4(2x^2+7x+3)}{(8x+4)}$ is

asked Jul 31, 2018 by meena.p

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How many real solutions are there for the equation $x^4+3x^2-10=0$

asked Jul 30, 2018 by meena.p

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A rectangle has a perimeter $80m$ and an area of $400m^2$. What is the sum of the length and the width ?

asked Jul 30, 2018 by meena.p

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$2x^2-6x+3$ has

asked Jul 30, 2018 by meena.p

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Two consecutive positive multiples of three have a product of 54. What is the sum of the two numbers ?

asked Jul 30, 2018 by meena.p

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Which value of $x$ will make the fraction undefined ? $\qquad \qquad \qquad \large\frac{x^2}{9x^2-1}$

asked Jul 30, 2018 by meena.p

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The square of a number is equal to two less than three times the number. What the two possible values of the number ?

asked Jul 30, 2018 by meena.p

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If $3t^2+4t+1=0$, what can be the value for $5t+3$ ?

asked Jul 30, 2018 by meena.p

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Reduce : $\large\frac{x^2-9x+20}{x^2-x-12}$

asked Jul 30, 2018 by meena.p

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The solution for the quadratic equation $3n^2-2n=-1+2n^2$ is

asked Jul 30, 2018 by meena.p

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Simplify : $\large\frac{21t+5+4t^2}{5t+25}$

asked Jul 30, 2018 by meena.p

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If the quadratic eqaution $y= 3(x+5)^2+12$ is written in the standard form what is the value of $c$ ?

asked Jul 26, 2018 by meena.p

1 answer

Which of the following are the roots of the equation $x^2+8x+12=0$ ?

asked Jul 26, 2018 by meena.p

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If $x=-2$ when $x^2-2px+p^2=0$ what is the value of $p$ ?

asked Jul 26, 2018 by meena.p

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The factored form of a quadratic polynomial is $y=(2x-3)(x+5)$. What are the solutions to the equation $y = 0$ ?

asked Jul 26, 2018 by meena.p

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If $x^2-x=30$, what is the value of $x-2$?

asked Jul 26, 2018 by meena.p

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If $2x-5 \sqrt x+9=16$ then $5 \sqrt x-15=$

asked Jul 26, 2018 by meena.p

1 answer

The equation $\large\frac{1}{4}$$(4x^2-8x-p)=132$, is satisfied. When $x=+8$ and $x=-6$. What is the value of $\large\frac{p}{4}$ ?

asked Jul 26, 2018 by meena.p

1 answer

What will be the sum of values of x in the equation $16^x-10(4)^x+16=0$ ?

asked Jul 24, 2018 by meena.p

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Solve for x: $\qquad \qquad \qquad 2(x+2)^2=3x-5$

asked Jul 24, 2018 by meena.p

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If $18x^2=39x+84$, what can be the possible values of x.

asked Jul 24, 2018 by meena.p

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If $\large\frac{x^2-x}{x-1}$$=1$ what are the possible values of $x$ are :

asked Jul 24, 2018 by meena.p

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Simplify the rational expression : $\qquad \qquad \qquad \large\frac{6k^2-18k-24}{2k+2} $

asked Jul 24, 2018 by meena.p

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$36x^2-12x-15=0$ solve for $x$

asked Jul 24, 2018 by meena.p

1 answer

Given $x^2-5x+6=0$ and $x+k=4$ find the value of k.

asked Jul 24, 2018 by meena.p

1 answer