2008 - Kapiti College
2008 - Kapiti College
2008 - Kapiti College
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QUESTION FOUR<br />
Given the graph: y = −3 x + 8<br />
(a) (i) What is the y-intercept? ____ [1]<br />
(ii) What is the gradient? ____ [1]<br />
(iii) the gradient.<br />
______________________________ [1]<br />
(b) Write the equation for the graph.<br />
______________________________<br />
(b) Draw the graph of. y = −3 x + 8 [2]<br />
______________________________ [2]<br />
y<br />
10<br />
(c) Sketch the graph: y = 4 on the axis below<br />
5<br />
y<br />
10<br />
-10 -5 5 10<br />
x<br />
5<br />
-5<br />
-10 -5 5 10<br />
x<br />
-10<br />
-5<br />
QUESTION FIVE<br />
Debbie is walking home from work. The graph<br />
shows her distance from home on her trip home.<br />
d (m)<br />
400<br />
300<br />
200<br />
100<br />
-10<br />
______________________________ [1]<br />
2<br />
(d) Sketch the graph: y = x − 3 on the axis<br />
3<br />
below<br />
y<br />
10<br />
1 2 3 4 5<br />
t (min)<br />
5<br />
(a) Write statements that interpret the<br />
following on the graph:<br />
(i) the d-intercept<br />
______________________________ [1]<br />
-10 -5 5 10<br />
-5<br />
-10<br />
x<br />
(ii) the t-intercept<br />
______________________________ [1]<br />
______________________________ [2]<br />
Page 7 Year 10 <strong>Kapiti</strong> <strong>College</strong> <strong>2008</strong>