Defining features of linear relationships | Maths | Quizalize & Oak National Academy

Starter quiz

Two variables that change together at a constant rate when plotted on a graph will form a ______ relationship.
- 'linear' ✓
Match the arithmetic sequences to the descriptors.
- $11,4,-3,-10, ...$
  
  ⇔
  
  Starts at $11$ and decreases by $7$ . ✓
- $11,7,3,-1, ...$
  
  ⇔
  
  Starts at $11$ and decreases by $4$ . ✓
- $7,11,15,19, ...$
  
  ⇔
  
  Starts at $7$ and increases by $4$ . ✓
- $7,18,29,40, ...$
  
  ⇔
  
  Starts at $7$ and increases by $11$ . ✓
- $11,15,19,23, ...$
  
  ⇔
  
  Starts at $11$ and increases by $4$ . ✓
- $7,3,-1,-5, ...$
  
  ⇔
  
  Starts at $7$ and decreases by $4$ . ✓
Match the common differences to the arithmetic sequences.
- $-8,-3,2,7, ...$
  
  ⇔
  
  $+5$ ✓
- $7,2,-3,-8, ...$
  
  ⇔
  
  $-5$ ✓
- $-8,-6,-4,-2, ...$
  
  ⇔
  
  $+2$ ✓
- $-4,-6,-8,-10, ...$
  
  ⇔
  
  $-2$ ✓
- $4,1,-2,-5, ...$
  
  ⇔
  
  $-3$ ✓
- $-14,-11,-8,-5, ...$
  
  ⇔
  
  $+3$ ✓
Which of the below coordinates can you see plotted here?
- $(-2,-2)$ ✓
- $(-2,2)$
- $(-1,2)$ ✓
- $(6,0)$
- $(0,6)$ ✓
Here is an arithmetic (linear) sequence for which we are given the second and fourth terms. Which of the below are the missing terms?
- $0.87$ ✓
- $0.5$
- $0.8$
- $0.69$ ✓
- $0.51$ ✓
For the linear relationship $y=15-7x$ what is the $y$ coordinate when the $x$ coordinate is $1.5$ ? State your answer as a decimal.
- '4.5' ✓