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- Factorising Polynomial expressions
Evaluating polynomials
- Lesson: 1a1:21
- Lesson: 1b2:30
- Lesson: 2a1:12
- Lesson: 2b1:41
- Lesson: 2c1:06
Evaluating polynomials
The unknowns in the polynomials actually represent numbers. What do we do when we know these numbers and plug them into the polynomials? Let's practice here in this section.
Basic Concepts: Evaluating algebraic expressions
Lessons
- 1.Evaluating polynomialsa)When 4x2−3 is evaluated for x=5, what is the result?b)Find the value of "−x4−3x3" when x=−3
- 2.Find the value of the following polynomials, given a=2 and b=5.a)21a3−3bb)3ab+5b2−10ac)a2b2−3ab
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12.
Factorising Polynomial expressions
12.1
Common factors of polynomials
12.2
Factorising polynomials by grouping
12.3
Solving polynomials with the unknown "b" from x2+bx+c
12.4
Solving polynomials with the unknown "c" from x2+bx+c
12.5
Factorising polynomials: x2+bx+c
12.6
Applications of polynomials: x2+bx+c
12.7
Solving polynomials with the unknown "b" from ax2+bx+c
12.8
Factorising polynomials: ax2+bx+c
12.9
Factorising perfect square trinomials: (a+b)2=a2+2ab+b2 or (a−b)2=a2−2ab+b2
12.10
Find the difference of squares: (a−b)(a+b)=(a2−b2)
12.11
Evaluating polynomials
12.12
Using algebra tiles to factorise polynomials
12.13
Solving polynomial equations
12.14
Word problems of polynomials
Don't just watch, practice makes perfect
Evaluating polynomials
Don't just watch, practice makes perfect.
We have plenty of practice questions in Transition Year Maths for you to master.
Get Started NowPractice topics for Factorising Polynomial expressions
12.1
Common factors of polynomials
12.2
Factorising polynomials by grouping
12.3
Solving polynomials with the unknown "b" from x2+bx+c
12.4
Solving polynomials with the unknown "c" from x2+bx+c
12.5
Factorising polynomials: x2+bx+c
12.6
Applications of polynomials: x2+bx+c
12.7
Solving polynomials with the unknown "b" from ax2+bx+c
12.8
Factorising polynomials: ax2+bx+c
12.9
Factorising perfect square trinomials: (a+b)2=a2+2ab+b2 or (a−b)2=a2−2ab+b2
12.10
Find the difference of squares: (a−b)(a+b)=(a2−b2)
12.11
Evaluating polynomials
12.13
Solving polynomial equations
12.14
Word problems of polynomials