Algebra Factorisation
Authored by Anthony Clark
Mathematics
8th Grade
CCSS covered
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The factorisation of 4x + 16 is _______
4(x + 4)
4(x - 4)
x + 4
4x + 4
Tags
CCSS.7.EE.A.1
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Factorise
k2+7k+10
(k+2)(k+5)
(k-2)(k-5)
(k+10)(k+4)
(k+2)(k-5)
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
factorise:
x2 - 25
( x + 5 ) ( x - 5 )
( x - 5 ) ( x - 5 )
( x + 5 ) ( x + 5 )
Prime
Tags
CCSS.HSA.APR.C.4
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Choose the correct answer:
The factorisation of 25x2y - 5xy is
5xy (5x - 1)
5xy (5x + 1)
5xy (5x + 5)
5xy (x - y)
5.
DRAG AND DROP QUESTION
1 min • 1 pt
Factor the following completely:
20x³ + 15x²
(a) ( (b) )
5x²
4x + 3
15x
20x²
2x + 3
5x
4x² + 3
6.
DROPDOWN QUESTION
1 min • 1 pt
What two numbers when multiplied equals -56, but when you add them equals 1? CHOOSE TWO NUMBERS
(a) (b)
-7
8
-8
7
56
1
-56
-1
Tags
CCSS.HSA-REI.B.4B
7.
DROPDOWN QUESTION
1 min • 1 pt
Factor by grouping to find all real solutions to the equation .
Step 1 - factor out GCF's: (a) (x-3) (b) (x-3)
Step 2 - "commons & leftovers" : (x-3) (c)
Step 3 - factor difference of squares: (x-3) (d)
Step 4 - Solve: (e)
Tags
CCSS.HSF-IF.C.7C
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