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Solve the equation 6x^2 + 17x - 39 = 0

Using the quadratic equation with a = 6, b = 17 and c = -39, x is found to be 1.5 or -4.33

SE
Answered by Sian E. Maths tutor
3757 Views

Given that y = 5x^4 + 3x^3 + 2x + 5, find dy/dx

We’re being asked to differentiate the function with respect to x. To do so, we use the general formula for differentiation, which is:‘If y = kxn, dy/dx = nkx(n-1)We must also note that, ...

HP
Answered by Harry P. Maths tutor
3150 Views

When do you use "être" and when "avoir" to form the past perfect in French?

The general rule is that "être" is used as the auxiliary verb in the past tense for verbs of movement and which are intransitive, i.e. cannot be followed by an object without a prepositi...

MA
Answered by Michael A. French tutor
1460 Views

simplify 36^(-1/2)

1/6 - we can split 36^(-1/2) into 36^(-1*1/2) this way we can apply what we know about basic power rules to split up the problem into more familiar chunks.x^(1/2) means we take the square root of x and x^...

GB
Answered by George B. Maths tutor
7286 Views

Why does silicon dioxide have a higher melting point than sulphur?

Silicon dioxide (SiO2) has a macromolecular structure. This means that it forms thousands of covalent bonds between its silicon and oxygen subunits. Sulphur trioxide (SO3), meanwhile, has a simple covalen...

JL
Answered by Jacob L. Chemistry tutor
27819 Views

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