Unit 1 quiz Flashcards
1
Q
What order is bedmas
A
Brackets, exponents, Division multiplication, adding subtracting
2
Q
(-5)^2=?
A
25
3
Q
-5^2
A
-25
4
Q
x/y…… X=? Y+?
A
Numinators, denominators
5
Q
(6/7) / (7/8) =?
A
(6/7) / (8/7) ALSO 48/49
6
Q
(6/5) + (7/15) =?
A
5/3
7
Q
(4a^2-8a+12)+(-2a^2+6a-5)-(3a^1-3a-2) =?
A
-a^2+a+9
8
Q
(4x+3)^2 =?
A
16x^2+24+9
9
Q
10x^2y+5xy
A
5xy(2x+1)
10
Q
a^2-b^2 =?
A
(a+b) (a-b)
11
Q
x^4-81 =?
A
(x^2+9)(x-3)(x+3)
12
Q
Order when factoring?
A
Look for GCF, count terms
13
Q
Count squares
2=?
3=?
4=?
A
Difference of squares
Perfect square, simple, complex
Count terms
14
Q
Is this simple, complex or perfect square?
4x^2+10x+9
A
Perfect square
15
Q
Is this simple, complex or perfect square?
x^2+7x+12
A
simple