Question 1
Question (a)
(a)
Complete the table of values for .
[ 3 ]
Question (b)
(b)
On the grid, draw the graph of for and .
[ 4 ]
Question (c)
(c)
Use your graph to solve the equation .
x=
[ 1 ]
Complete the table of values for y=x−6.
1.5, 4, -4, -1.2
B2 for 3 correct or B1 for 1 or 2 correct
On the grid, draw the graph of y=x−6 for −6⩽x⩽−1 and 1⩽x⩽6.
Correct graph drawn
B3FT for 12 or 11 correct plots
B2FT for 10 or 9 correct plots
B1FT for 8, 7 or 6 correct plots
Use your graph to solve the equation x−6=2.5.
-2.4
FT their graph and y=2.5
The grid shows a line L.
Write down the coordinates of the point which lies on both line L$ and the graph of $y=2x+5.
(-1.2, 2.6)
FT line $L$ and their (b)(ii)
Write down the coordinates of the point where the two lines intersect.
(, )
(2,1)
FT their (a)(ii)
Complete the table of values for y=x2+x−8.
-6, -6, 12
B1 for one or two correct
On the grid, draw the graph of y=x2+x−8 for −4⩽x⩽4.
Correct and accurate curve
B3FT for 8 or 9 points accurately plotted, or B2FT for 6 or 7 points accurately plotted, or B1FT for 4 or 5 points accurately plotted
Use your graph to solve the equation x2+x−8=0.
x= or x=
-3.5 to -3.3, and 2.3 to 2.5
B1FT for each