ADVANCED
Refreshing Revision

Binomial Theorem (1)

Find the first three terms in the expansion of:

\((4a - 2b)^6\)

\(=4096a^6 - 12288a^5b \\+15360a^4b^2 ...\)

Compound Interest

If £220 is invested with an interest rate of 5% compounded monthly, find the value of the investment after 6 years. £296.78

Coordinates (Square)

Here are the coordinates of 3 vertices of a square, what are the coordinates of the 4th?

\((3,3),(7,8),(-2,7)\)

(2,12)

Normal Distribution

\( X \sim N(27.1, 1.8^2)\)

Find

\( P(28.1\lt X \lt29.1) \)

\(0.156\)

Factorise (Quadratic 1)

Factorise:

\(x^2-4\)

\((x+2)(x-2)\)

Factorise (Quadratic 2)

Factorise:


\(20x^2+7x-6\)


\((4x+3)(5x-2)\)

Graph (Linear)

Draw a rough sketch of the graph of:


\(y=x+2\)

Gradient 1
y intercept 2

Indices

What is the value of:

\(5^{1}\)

\(= 5\)

Trigonometry (Angle)

Find angle ABC if AC = 5.7m and AB = 7.3m. 38.0o

Trigonometry (Side)

Find AC if angle BCA = 55o and AB = 3.7m. 2.59m

Venn Diagrams

Describe the red region.

Circle part Circle part

Differentiation (1)

\(y = 2x^3 - 3x^2 + 3x\)

Find \( \dfrac{dy}{dx}\)

\(6x^2 - 6x + 3\)

Differentiation (2)

\(y = \dfrac{3}{x^{6}} - 7\sqrt[8]{x}\)

Find \( \frac{dy}{dx}\)

\(-\frac{18}{x^{7}} - \frac{7}{8}x^{-\frac{7}{8}}\)

Differentiation (3)

\(y=\sqrt{4x^2-2x}\)

Find \( \dfrac{dy}{dx}\)

\((4x^1-1)(4x^2-2x)^{-\frac{1}{2}}\)

Differentiation (4)

\(y=x(2x^2+3)^5\)

Find \( \dfrac{dy}{dx}\)

\((2x^2+3)^5+20x^2(2x^2+3)^4\)

Differentiation (5)

\(y=\frac{e^{3x}}{ \cos 4x}\)

Find \( \dfrac{dy}{dx}\)

\(\frac{(3e^{3x}cos4x+4e^{3x}sin4x)}{cos^24x}\)

Differentiation (6)

Find the equation of the tangent to the curve:
\(y = 2x^2 - x + 3\)
where \(x = -1\)
\(y = 1 - 5x\)

Differentiation (7)

Find the equation of the normal to the curve:
\(y = -2x^2 - 4x + 6\)
where \(x = 3\)
\(y = \frac{x}{16} - \frac{387}{16}\)

Integration (1)

\(y =9x^2 - 12x + 3\)

Find \( \int y \quad dx\)

\(3x^3 - 6x^2 + 3x+c\)

Binomial Distribution

A game is played 14 times and the probability of winning is 0.1. Calculate the probability of winning exactly 4 times.   0.0349

Formulas

Make up a maths question using this:

\(S_n = \dfrac{u_1(r^n-1)}{r-1}\)

The sum of a geometric sequence

Greek Letters

What letter is this?

Greek Letter Greek Letter

Sequences (Arithmetic)

Two terms of an arithmetic sequence:
\(u_{8} = -71\)
\(u_{11} = -101\)
Find the sum of the first 24 terms.-2784

Asymptotes (HV)

Find the equations of the asymptotes of:

\(y=5\left(\dfrac{3x}{5+x}\right)\)

\(x=-5,y=15\)

Trig Advanced

In the triangle ABC,
AB = 6.1cm.
BC = 7.5cm.
CÂB = 51.4°.
Find angle BĈA.

39.4°

Sigma

Evaluate:

$$\sum_{n=1}^{8} n^2 - 9n$$

-120

Discriminant

\(f(x)=2x^2+4x+4\)

What is the value of the discriminant and what does it indicate?
-16, No real roots

Completing The Square

\(f(x)=x^2+6x-1\)

By completing the square find the coordinates of the vertex.
(-3, -10)

Logarithms

Evaluate \(\log_5(625) \)


4

Integration (3)

Find the integral:

\(\int \cos(x)e^{\sin(x)} \;dx\)


\(e^{\sin(x)}+c\)

Graph (2 points)

Find the equation of the straight line that passes through:

(-8, -20) and (4, 16)

\(y=3x+4\)

Functions (Inverse)

Find the inverse of the function \(f\):

\(f(x)=\sqrt{\frac{x-9}{3}}\)


\(3x²+9\)

Functions (Composite)

\(\text{Find }f(x) \text{ if} \\ f(a^3)=2a^6 \\\)

\(f(x)=2x^2\)

Standard Form

Write in standard form:
\((a \times 10^2) \div (b\times 10^4)\)
where \(a \div b \) is a single digit number \((1 \le \frac{a}{b} \lt 10)\)

\(\frac{a}{b}\times10^{-2}\)

Graph (Mixed)

Draw a rough sketch of

\(y=\dfrac{5}{x}\)

Sketch

Graph (Fill)

Sketch a height-time graph as this jar is filled.

Jar Graph

Trig (Special Angles)

Without a calculator find the exact value of

$$\sin{\frac{\pi}{2}} \div \cos{45°}$$

\(\sqrt{2}\)

Trig (Large Angles)

Without a calculator find the exact value of

$$\sin{5\pi}$$

\(0\)

Simultaneous Eqns (3)*

Solve:

\( 5a+2b+c=41 \\ 3a+4b+2c= 47 \\ a+5b+c=36\)

a = 5, b = 5, c = 6

Radian Measures

Find the area of a sector with radius 3.7cm and angle \( \frac{\pi}{4}\)

🍕

5.38cm2

Combinatorics*

How many ways can thirteen children sit in a row without the youngest being in the middle?

5748019200

Asymptotes (Ob)*

Find the equations of the asymptotes of:

$$y=\dfrac{2x^2+3x-9}{x+2}$$

x=-2,y=2x-1

Sequences (Geometric)

The 7th term of a geometric sequence is 8192 and the sum of the first 7 terms is 10922. Find the first term.

2

Binomial Theorem (2)*

Find the first 4 terms in the expansion of:

\(\dfrac{1}{2-x}\)

\(\frac{1}{2}+\frac{x}{4}+\frac{x^2}{8}+\frac{x^3}{16}\)

Integration (2)

Evaluate:

\(\int^{6}_{0} x^2-2x+7 \; dx\)


\(78.0\)

Probability (Conditional)

Given equal populations of Type X and Type Y bacteria, with mutation rates of 20% and 80% respectively, if a mutated bacterium is found, what's the probability it's Type Y?

\(0.800\)

Vectors*

There are eight different ways that three planes can relate in three dimensions. One is where they all intersect at a point. How many of the other seven ways can you sketch or describe?

Solution

Graph (Advanced)*

Sketch the graph of:

$$2x^2+5y^2=100$$

Graph Plotter

Complex Numbers 1*

Simplify
$$ (2-i)^{-2} $$

\(\frac{3}{25}+\frac{4}{25}i\)

Integration (4)*

Evaluate:

\(\int x\sec^2x\; dx\)


\(xtanx+\ln|cosx|+c\)

Trig (Identities)*

Simplify:

$$\dfrac{\cot{x}}{\cosec{x}}$$

\(\cos{x}\)

$$ \DeclareMathOperator{cosec}{cosec} $$

Integration (Volume)*

Find the volume of revolution when \(y=x^2\) is rotated about the x-axis for \(-2 \le x \le 2\)


\(\frac{64\pi}{5}\) cubic units

Miscellaneous

Describe the behavior of a function at its asymptote.

Clue: approaches but never reaches

Maclaurin Series*

Show how the first four terms of the Maclaurin series are obtained for
\(f(x) = x^3\)

\(x^3 \text{ only 1 term}\)

Complex Numbers 2*


Find the four 4th roots of 1

\(1, i, -1, -i\)

Probability (Counting)*

Of the 22 people on boat, 3 are professional singers. If 4 people get sea sick, determine the chance that all three singers do not.

204/385 or 53.0%

Proof by Induction*

Prove by mathematical induction that \( 2^n > n^2 \) for all integers \( n \) greater
than four

Show true for n=1, assume true for n=k, prove for n=k+1

Surds (1)

Simplify:
$$\sqrt{20}$$
\(2\sqrt{5}\)

Surds (2)

Simplify:
$$\dfrac{5}{\sqrt{8}}$$\(\frac{5\sqrt{8}}{8} = \frac{5\sqrt{2}}{4}\)

Surds (3)

Simplify

\((2 - 2\sqrt{2})^2\)


\(12 - 8\sqrt{2}\)

Surds (4)

Simplify:
$$\dfrac{9}{2 + \sqrt{5}}$$\(\frac{18 - 9\sqrt{5}}{-1} = -18 + 9\sqrt{5}\)

Standard Deviation

Calculate the standard deviation of the following numbers:

7, 9, 10, 11, 13


2

Last Lesson

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