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Solve the equation x^2 + 3x - 10 = 0

Identify a, b and c based in the GENERAL FORM OF A QUADRATIC EQUATION: ax² + bx + c (= 0)ax² + bx + c = 0 x² + 3x - 10 =...

Answered by Emmanuel A. • Maths tutor

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Solve the equation 2X^2 + 5X + 2 = 0 stating clearly the number of roots

Firstly, we can identify 2X² + 5X + 2 = 0 as a quadratic equation by the fact it is an X² term, an X term and an integer term all within the same equation, and is equal to zero. To s...

Answered by Luke P. • Maths tutor

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Find the intergral of 2x^5 - 1/4x^3 - 5 with respect to x.

2x⁵ - 1/4x³ - 5 can be intergrated by intergrating each term seperately and then remembering to add a constant to your new answer. Therefore the correct answer would be x⁶...

Answered by George H. • Maths tutor

3310 Views

An object's displacement, s metres, from a fixed point after t seconds is s=5t^3+t^2. Find expressions for the object's velocity and acceleration at time t seconds.

Differentiating gives the rate of change and velocity and acceleration are rates of change. Velocity is the rate of change of displacement compared to time and acceleration is the rate of change of veloci...

Answered by Seeitha S. • Maths tutor

3738 Views

Annie, Brandon and Clara are buying pencils. Annie needs 5, Brandon needs 8 and Clara needs 13. Pencils only come in packs of 10. How many packs of pencils do they need to buy between them?

Since Annie needs 5 pencils, Brandon needs 8 pencils and Clara needs 13 pencils, the total number of pencils they need between them is 5 + 8 + 13 = 26. However, pencils only come in packs of 10, which mea...

Answered by Kate P. • Maths tutor

2262 Views