Uploaded by Alvin Kurniawan

G8 drawing-quadratic-graphs (2)

advertisement
1.
(a)
Complete the table of values for y = x2 + x.
x
3
2
y
6
2
1
0
1
0
2
3
6
(2)
(b)
On the grid, draw the graph of y = x2 + x.
y
12
10
8
6
4
2
3
2
1
O
1
2
3
x
2
4
6
10
12
(2)
(Total 4 marks)
2.
(a)
Complete the table for y = x2
x
2
y
4
2x
4
1
0
1
4
5
2
3
4
1
(2)
(b)
On the grid, draw the graph of y = x2
2x 4
y
7
6
5
4
3
2
1
2
1
O
1
2
3
4
x
1
2
3
4
5
6
(2)
(Total 4 marks)
3.
(a)
Complete the table of values for y = x2 4x + 2
x
1
y
0
1
2
1
2
3
4
5
1
7
(2)
(b)
On the grid, draw the graph of y = x2
4x + 2
y
8
7
6
5
4
3
2
1
1
O
1
2
3
4
5
x
1
2
3
4
(2)
(Total 4 marks)
4.
(a)
Complete the table of values for y = x2 3x 1.
x
2
y
1
0
1
3
1
3
2
3
4
3
(2)
(b)
On the grid below, draw the graph of y = x2 3x
1.
(2)
(c)
Use your graph to find an estimate for the minimum value of y.
(1)
y
10
9
8
7
6
5
4
3
2
1
2
1
O
1
2
3
4 x
1
2
3
4
5
(Total 5 marks)
5.
(a)
Complete the table of values for y = x2 – 3
x
2
y
1
1
0
1
3
2
2
3
(2)
(b)
On the grid, draw the graph of y = x2 – 3
y
7
6
5
4
3
2
1
2
1
1
2
3 x
1
2
3
4
(2)
(Total 4 marks)
6.
(a) Complete the table for y = x2
x
2
y
11
3x + 1
1
0
1
1
1
2
3
4
1
5
(2)
(b)
On the grid below, draw the graph of y = x2 3x + 1
(2)
y
12
11
10
9
8
7
6
5
4
3
2
1
2
1
O
1
3
2
4
x
1
2
3
4
5
(c)
Use your graph to find an estimate for the minimum value of y.
y
(1)
(Total 5 marks)
7.
(a)
Complete the table of values for y = x2 – 3x – 1
x
2
1
0
1
y
3
1
2
3
3
(2)
(b)
On the grid, draw the graph of y = x2 – 3x – 1
(2)
y
10
8
6
4
2
2
1
O
1
2
3
x
2
4
(Total 4 marks)
Download