Term
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Definition
| An algebraic expression that consists of two terms. |
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Term
| What is a binomial product? |
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Definition
| The product of binomial expressions. Eg, (5y+2)(1-3m) is a binomial product. |
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Term
| What does the distributive law state? |
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Definition
That
(a+b)(c+d) = a(c+d)+b(c+d)
= ac+ad+bc+bd |
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Term
| What is the rule for expanding perfect squares? |
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Definition
(a+b)[sq] = a[sq]+2ab+b[sq]
(a-b)[sq] = a[sq]-2ab+b[sq] |
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Term
| How do you find the difference of two squares? |
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Definition
| (a+b)(a-b) = a[sq] - b[sq] |
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Term
| What is the first step in factorising an algebraic expression? |
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Definition
| Determining the highest common factor |
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Term
| What is the first step in factorising an algebraic expression? |
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Definition
| Determining the highest common factor |
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Term
| If an expression has four terms, and the HCF is applicable to all, what is the next step? |
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Definition
The next step is to group the pairs.
Eg 6(x+3) + x(x+3) = (6+x)(x+3) |
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Term
| What is the rule for factorising the difference of two squares? |
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Definition
| a[sq] - b[sq] = (a+b)(a-b) |
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Term
| What technique do you use for quadratic trinomials? |
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Definition
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Term
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Definition
First, Inside, Outside, Last.
Multiply the First symbols for each bracket, multiply the outside for each bracket, multiply the inside, multiply the last. |
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Term
| What does SOH CAH TOA stand for? |
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Definition
Sine = Opposite/Hypotenuse
Cosine= Adjacent/Hypotenuse
Tangent= Opposite/Adjacent |
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Term
| What is the circumference of a circle? |
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Definition
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Term
| What is the length of an arc? |
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Definition
| Arc Length = angle/360 * (Pi*diametre) |
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Term
| What is the formula to find the area of a rectangle? |
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Definition
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Term
| What is the formula to find the area of a square? |
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Definition
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Term
| What is the formula to find the area of a triangle? |
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Definition
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Term
| What is the formula to find the area of a parallelogram? |
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Definition
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Term
| What is the formula to find the area of a rhombus or a kite? |
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Definition
| 0.5 * horizontal diagonal * vertical diagonal |
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Term
| What is the formula to find the area of a trapezium? |
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Definition
| 0.5 * (parallel sides added * height |
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Term
| What is the formula to find the area of a circle? |
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Definition
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Term
| What is the formula to find gradient? |
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Definition
Gradient = rise/run
= y2-y1/x2-x1 |
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Term
| In which direction does a negative gradient slope? |
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Definition
| Downwards towards the right |
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Term
| In which direction does a positive gradient slope? |
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Definition
| Upwards towards the right |
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Term
| What is the formula to determine the midpoint of a line? |
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Definition
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Term
| What is the formula to determine the distance of a line? |
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Definition
| The square root of (x2-x1)[sq] + (y2-y1)[sq] |
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Term
| Two identical gradients mean that a line is... ? |
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Definition
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Term
| If m2 is the negative reciprocal of m1, the line must be... ? |
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Definition
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Term
| The number before x is the gradient, and what needs to be identical/reciprocal to identify a parallel, perpendicular line. True or false? |
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Definition
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Term
| What is the gradient-intercept form of a straight line? |
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Definition
| Y=m(gradient)x + b (y-intercept) |
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Term
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Definition
| The average. eg. 3,2,4 = (2+3+4)/3=3 |
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Term
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Definition
| The middle score WHEN the data is arranged in order. |
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Term
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Definition
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Term
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Definition
| Highest score - lowest score |
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