C1 Inequalities past paper questions

Document of all inequalities past paper questions, C1. Please let me know if these are helpful, because I will keep making them.

HideShow resource information
  • Created by: megan
  • Created on: 08-02-14 22:00
Preview of C1 Inequalities past paper questions

First 89 words of the document:

Sacred Heart of Mary Girls' School INEQUALITIES
+VOF
2VFTUJPOC
Leave
blank
7. The equation x 2 + kx + (k + 3) = 0 , where k is a constant, has different real roots.
(a) Show that k 2 - 4k - 12 > 0. 2VBESBUicJOFRVBMJUZ
(2)
(b) Find the set of possible values of k.
(4)
___________________________________________________________________________
___________________________________________________________________________
___________________________________________________________________________
___________________________________________________________________________
___________________________________________________________________________
___________________________________________________________________________
___________________________________________________________________________
___________________________________________________________________________
___________________________________________________________________________
___________________________________________________________________________
___________________________________________________________________________
___________________________________________________________________________
___________________________________________________________________________
___________________________________________________________________________
___________________________________________________________________________
___________________________________________________________________________
___________________________________________________________________________
___________________________________________________________________________
___________________________________________________________________________
___________________________________________________________________________
___________________________________________________________________________
___________________________________________________________________________
___________________________________________________________________________
___________________________________________________________________________
___________________________________________________________________________
___________________________________________________________________________
___________________________________________________________________________
___________________________________________________________________________
___________________________________________________________________________
___________________________________________________________________________
12
*H26107A01224*
1

Other pages in this set

Page 2

Preview of page 2

Here's a taster:

Sacred Heart of Mary Girls' School INEQUALITIES
+BOVBSZ
2VFTUJPOC
Leave
blank
8. The equation
x 2 + kx + 8 = k
has no real solutions for x.
(a) Show that k satisfies . 2VBESBUJDJOFRVBMJUZ
(3)
(b) Hence find the set of possible values of k.…read more

Page 3

Preview of page 3

Here's a taster:

Sacred Heart of Mary Girls' School INEQUALITIES
+VOF
2VFTUJPOC
Leave
blank
8. Given that the equation 2qx2 + qx ­ 1 = 0, where q is a constant, has no real roots,
(a) show that q2 + 8q < 0. 2VBESBUJDJOFRVBMJUZ
(2)
(b) Hence find the set of possible values of q.…read more

Page 4

Preview of page 4

Here's a taster:

Sacred Heart of Mary Girls' School INEQUALITIES
+BOVBSZ
2VFTUJPOC
Leave
blank
7. The equation kx2 + 4x + (5 ­ k) = 0, where k is a constant, has 2 different real solutions
for x.
(a) Show that k satisfies
k2 ­ 5k + 4 > 0. 2VBESBUJDJOFRVBMJUZ
(3)
(b) Hence find the set of possible values of k.…read more

Page 5

Preview of page 5

Here's a taster:

Sacred Heart of Mary Girls' School INEQUALITIES
+VOF
Leave
blank
4.…read more

Page 6

Preview of page 6

Here's a taster:

Sacred Heart of Mary Girls' School INEQUALITIES
+VOF Leave
blank
3.…read more

Comments

No comments have yet been made

Similar Mathematics resources:

See all Mathematics resources »See all resources »