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=x 1 +2x 2, where x=34 and 2x 1 =16. What is the value of x 2 ?

Which of the following equations are linear?

What are the roots of 1.-½, 3 2.½, 3 3.½, ½, -3

When finding the roots of ax 2 +bx+c, if b 2 -4ac<0 then the quadratic has: 1.Two real and distinct roots. 2.No real roots. 3.One real, repeated root.

Find the roots of –x 2 +4x+1=0 to 4d.p , , , , -4,2360

To 3dp use the quadratic formula to find the largest root of

What are the complex roots of

A linear expression multiplied by a quadratic expression always gives a cubic expression. 1.True 2.False

If 3x 3 +4x 2 -x-2 = (x+1)×(a polynomial), what is the degree of the undefined polynomial? 1.First 2.Second 3.Third 4.Fourth

If 3x 3 +4x 2 -x-2 = (x+1)×(a polynomial), what must be the coefficient of x 2 in this unknown polynomial? Impossible to know

A cubic polynomial is multiplied by a quadratic polynomial. What is the degree of the resulting polynomial? 1.Third 2.Fourth 3.Fifth 4.Sixth 5.Don’t know

A polynomial of degree n has at most n-1 roots. 1.True 2.False

Which of the following graphs represents a quadratic equation with complex roots?

Solve the simultaneous equations 3x+2y=4 and 2x+y=3 Give the value for x

Which of the following systems of equations could be represented by the graph?

Which of the following systems of equations could be represented by the graph?

Which of the following could be represented by the graph?

Using the graph, what is the x solution to the following system of equations? y-3x=-10 y+2x=5 1.x= 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.True 2.False 3.Don’t know

11+x > 7+x 1.True 2.False 3.Depends what the value of x is.

Solve the inequality |2x-4|<16. 1.x <x< <x<6 4.x 6

Using the graph, find the range of values for which x 2 +7x+12>0. 1.x>-4, x>-3 2.x<-4, x< <x<-3 4.x -3

Express in partial fractions

Express in partial fractions

Express in partial fractions