If x=3 and y=0.5 then what is the value for z when
z=(2x+1)(x+3y)?
Solve the linear equation 4(x-2)+3(2x-5)=1
Given the equation x=x1+2x2, where x=34 and 2x1=16. What is the value
of x2?
0% 0%0%0%
1. 9
2. 26
3. 13
4. 18
1 2 3 4 5
0% 0% 0%0%0%
Which of the following equations are linear?
313 xx1.
2)8(4)1(2 pp2.
02t3.
04
13 y
4.
562 r5.
What are the roots of
-½, 3
½, 3
½, -
3
-½, -
3
0% 0%0%0%
0372 2 xx
1. -½, 3
2. ½, 3
3. ½, -3
4. -½, -3
When finding the roots of ax2+bx+c, if b2-4ac<0 then the quadratic has:
Tw
o re
al a
nd d
...
No re
al ro
ots.
One
real
, rep
e...
0% 0%0%
1. Two real and distinct roots.
2. No real roots.
3. One real, repeated root.
Find the roots of –x2+4x+1=0 to 4d.p.
0.2
361,
-4.2
36...
-0.2
361,
4.2
36...
-0.2
360,
4.2
36...
0.2
360,
-4,2
36...
0% 0%0%0%
1. 0.2361, -4.2361
2. -0.2361, 4.2361
3. -0.2360, 4.2360
4. 0.2360, -4,2360
To 3dp use the quadratic formula to find the largest root of
142 2 xx
What are the complex roots of
1 2 3
0% 0%0%
0123 2 xx
jx3
2
6
1
1.
jx3
2
3
1
2.
jx 213.
A linear expression multiplied by a quadratic expression always gives a
cubic expression.
0%0%
1. True
2. False
If 3x3+4x2-x-2 = (x+1)×(a polynomial), what is the degree of the undefined
polynomial?
Firs
t
Sec
ond
Third
Fourth
0% 0%0%0%
1. First
2. Second
3. Third
4. Fourth
If 3x3+4x2-x-2 = (x+1)×(a polynomial), what must be the coefficient of x2 in this
unknown polynomial?
0% 0%0%0%
1. 1
2. 2
3. 3
4. Impossible to know
A cubic polynomial is multiplied by a quadratic polynomial. What is the
degree of the resulting polynomial?
0% 0% 0%0%0%
1. Third
2. Fourth
3. Fifth
4. Sixth
5. Don’t know
A polynomial of degree n has at most n-1 roots.
Tru
e
Fal
se
0%0%
1. True
2. False
Which of the following graphs represents a quadratic equation with
complex roots?
1 2 3 4
0% 0%0%0%
1. 2.
3. 4.
Solve the simultaneous equations 3x+2y=4 and 2x+y=3Give the value for x
0% 0%0%0%
Which of the following systems of equations could
be represented by the graph?
14,124 xyxy1.
64
1,84 xyxy
2.
2
13,33 xyxy
3.
14,2428 xyxy4.
Which of the following systems of equations could
be represented by the graph?
0% 0%0%0%
23
1,1
3
1 xyxy
1.
12186,393 xyxy2.
3
1
2
1
6
1,3
1
3
1 xyxy
3.
23,13 xyxy4.
1 2 3 4
0% 0%0%0%
Which of the following could be represented by
the graph?
3183,16 xyxy1.
1xy2.
16,06
1
6
1 xyxy
3.
16 xy4.
Using the graph, what is the x solution to the following
system of equations?y-3x=-10y+2x=5
1 2 3 4
0% 0%0%0%
1. x=3.33
2. x=-1
3. x=3
4. x=2.5
Multiplying or dividing both sides of an inequality by a negative number leaves
the inequality symbol unchanged.
1 2 3
0% 0%0%
1. True
2. False
3. Don’t know
11+x > 7+x
1 2 3
0% 0%0%
1. True
2. False
3. Depends what the value of x is.
Solve the inequality |2x-4|<16.
1 2 3 4
0% 0%0%0%
1. x<-6, x>10
2. -6<x<10
3. -10<x<6
4. x<-10, x>6
Using the graph, find the range of values for
which x2+7x+12>0.
1 2 3 4
0% 0%0%0%
1. x>-4, x>-3
2. x<-4, x<-3
3. -4<x<-3
4. x<-4, x>-3
1 2 3 4
0% 0%0%0%
Express in partial
fractions.127
322
xx
x
4
5
3
3
xx
1.
3
3
4
5
xx
2.
)3(3
1
)4(5
1
xx
3.
4
3
3
5
xx
4.
1 2 3 4
0% 0%0%0%
Express in partial
fractions.2)3(
24
x
x
2)3(
4
3
10
xx
1.
2)3(
4
3
10
xx
2.
2)3(
10
3
4
xx
3.
2)3(
10
3
4
xx
4.
1 2 3 4
0% 0%0%0%
Express in partial
fractions.3
2
x
x
3
1
x
1.
13
1
x
2.
13
1
x
3.
13
1
x
4.