1.2 Algebra and Functions

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Question 76

a.

Express $4x^2 - 8x + 5$ in the form $a(x + b)^2 + c$

[3]

b.

State the number of real roots of the equation $4x^2 - 8x + 5$

[2]

c.

Explain fully how the value of $r\,$ is related to the number of real roots of the equation $p(x + q)^2 + r = 0$ where $p$ , $q\,$ and $r\,$ are real constants and $p > 0$

[3]

1.2 Algebra and Functions

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Question 76

a.

Express $4x^2 - 8x + 5$ in the form $a(x + b)^2 + c$

[3]

b.

State the number of real roots of the equation $4x^2 - 8x + 5$

[2]

c.

Explain fully how the value of $r\,$ is related to the number of real roots of the equation $p(x + q)^2 + r = 0$ where $p$ , $q\,$ and $r\,$ are real constants and $p > 0$

[3]

1.2 Algebra and Functions

Question 76

1.2 Algebra and Functions Questions

1.2 Algebra and Functions

Question 76

1.2 Algebra and Functions Questions