25 results.
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Question in Skills Audits for Maths and Stats
Factorise a quadratic equation where the coefficient of the x2 term is greater than 1 and then write down the roots of the equation
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Question in Skills Audits for Maths and Stats
Factorise three quadratic equations of the form x2+bx+c.
The first has two negative roots, the second has one negative and one positive, and the third is the difference of two squares.
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Question in DIAGNOSYS
No description given
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Question in DIAGNOSYS
No description given
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Question in DIAGNOSYS
No description given
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Question in Julie's workspace
Solve: d2ydx2+2adydx+(a2+b2)y=0,y(0)=1 and y′(0)=c.
rebelmaths
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Question in Julie's workspace
Method of undermined coefficients:
Solve: d2ydx2+2adydx+a2y=0,y(0)=c and y(1)=d. (Equal roots example). Includes an interactive plot.
rebelmaths
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Question in Transition to university
Apply the quadratic formula to find the roots of a given equation. The quadratic formula is given in the steps if the student requires it.
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Question in Bill's workspace
Solve for x: c(a2)x+d(a)x+1=b (there is only one solution for this example).
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Question in Bill's workspace
Solve for x: acosh(x)+bsinh(x)=c. There are two solutions for this example.
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Question in Bill's workspace
Solve for x: ax2+bx+c=0.
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Question in Bill's workspace
Find p and q such that ax2+bx+c=a(x+p)2+q.
Hence, or otherwise, find roots of ax2+bx+c=0.
Includes a video which shows how to solve a quadratic by completing the square.
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Question in Content created by Newcastle University
Find the points of intersection of two circles.
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Question in Content created by Newcastle University
Find the points of intersection of a straight line and a circle.
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Question in Content created by Newcastle University
Solve: d2ydx2+2adydx+(a2+b2)y=0,y(0)=1 and y′(0)=c.
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Question in Content created by Newcastle University
Solve for x: ax2+bx+c=0.
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Question in Content created by Newcastle University
Solve for x: ax2+bx+c=0.
Entering the correct roots in any order is marked as correct. However, entering one correct and the other incorrect gives feedback stating that both are incorrect.
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Question in Content created by Newcastle University
Complete the square for a quadratic polynomial q(x) by writing it in the form a(x+b)2+c. Find both roots of the equation q(x)=0.
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Question in Transition to university
Factorise a quadratic expression of the form x2+akx+bk2 for x, in terms of k. a and b are constants.
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Question in Transition to university
This question tests the students ability to factorise simple quadratic equations (where the coefficient of the x^2 term is 1) and use the factorised equation to solve the equation when it is equal to 0.
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Question in Transition to university
This question takes the student through variety of examples of quadratic inequalities by asking them for the range(s) for which x meets the inequality.
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Question in Transition to university
Factorise a quadratic equation where the coefficient of the x2 term is greater than 1 and then write down the roots of the equation
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Question in Transition to university
Factorise three quadratic equations of the form x2+bx+c.
The first has two negative roots, the second has one negative and one positive, and the third is the difference of two squares.
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Question in Transition to university
Factorise polynomials by identifying common factors. The first expression has a constant common factor; the rest have common factors involving variables.
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Question in Algebra
Solve for x: ax2+bx+c=0.