Starter Quiz 9S2 9G1

What is the general formula for direct proportion ?

• y = mx + c

• y = kx²

• y = kx

• y = k/x

What is our current topic ?

• Direct numbers

• Difference in temperatures

• Change in temperatures

• Directed numbers

What do you call these process ?

3 (x -2) = 3x - 6

• Algebra

• Factorisation

• Expansion

• Fishing

Factorise :

10 x - 5

• 5 (2x - 1)

• x (10 - 1)

• 10 (x - 5)

• 5 (5x - 1)

x² - 16 , What type of factorisation method can you use ?

• Taking out common factor

• Factorisation by grouping

• Difference of two squares

• Normal factorisation

x² - 3x + 2 is called a __________________ expression

• discriminant

• parabola

• quadratic

• graph

What do u call a straight line that cuts only one point on the curve ?

• gradient

• intersection

• y-intercept

• tangent

Which of these numbers CANNOT be rounded off to 2 decimal places to give 2.34

• 2.334

• 2.333

• 2.339

• 2.341

What do you call the topic with these terms : upper bound, lower bound, absolute error

• Absolute Limit

• Absolute Bounds

• Absolute Error

• Accuracy Limit

Which of these numbers is irrational ?

• 1

• square root of 5

• square root of 16

• 1/9