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Determine for what values of c, f(x)=4x^2-(2c+8)x+4 has no real roots.

For f(x) not to have any real roots, its discriminant, b 2 -4ac < 0. Plugging in the coefficients from f(x), this means (-(2c+8)) 2 -4x4x4 < 0.This means (-(2c+8)) 2 < 4x4x4So 4c 2 +32c+64 < 64 b...
AR
Answered by Alexander R. • Maths tutor
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Discuss the advantages and disadvantages to working in a team.

Katzenbach and Smith suggest a team is defined through the composition of a small group working together committed to the same performance goals for which they hold themselves mutually accountable. With it b...
JW
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I am struggling with English: Language & Literature (HL) Paper 2. When I write practice papers, I never know how to structure my work to include the criterion A) knowledge of texts and contexts.

Paper 2 is among the most challenging Lang & Lit assignments, but don’t worry, with enough practice and a clear structure in your head, the 2-hour exam can be about you ‘filling in the blanks’. First of ...
AP
Answered by Adam P. • English tutor
3454 Views

To what extent had the Nazis achieved an 'economic miracle' by 1939?

Reducing unemployment and stablising the economy after the 1924 hyperinflation crisis and the Wall Street crash of 1929 was a central theme to the Nazi party's political campaigns, and therefore it was imper...
AS
Answered by Aiden S. • History tutor
6312 Views

What is bicameralism in the US?

This question would usually take the form of a short answer essay question. The best way to understand this would be through the DEI format. (Define, Explain, Implication) Define: Bicameralism is the practic...
JL
3262 Views