Download Revision mid term for 1st prep

Revision mid term for 1st prep
1)
Complete the following:
𝟑
1-
If 𝒂 is a rational number, then a ≠ ……………
2-
The number𝒙−𝟕 is a rational number if x ≠ ………
3-
The number 𝒙−𝟓 is a rational number if x ≠ ………
4-
The number 𝟗𝒙 is a rational number if x ≠ ………
5-
The number 𝒙−𝟓= 0 if x = ………
6-
The number
7-
The additive identity element in Q is ……………
8-
The additive inverse of the number 𝟕 is ……………
9-
The additive inverse of the number -𝟗 is......…………
10-
𝟑
𝐱+𝟕
𝟐
𝟐−𝐱
𝐱−𝟗
𝒙
= 0 if x = ……………
𝟑
𝟕
−𝟒
isthe additive inverse of the number ……………
−𝟑𝟏
𝟏 𝒁𝒆𝒓𝒐
11- The additive inverse of the number (𝟑)
is ……………
𝟓 𝒁𝒆𝒓𝒐
12- The additive inverse of the number (− 𝟗)
is …………
𝟐
13- The additive inverse of the number |𝟓| is ……………
14- The additive inverse of the number zero is ……………
15- The multiplicative identity of the rational numbers is …..
𝟐
16- The multiplicative inverse of the number 𝟑 is ……………
𝟓
17- The multiplicative inverse of the number -𝟕 is …………
18- The multiplicative inverse of the number -8 is …………
𝟏
19- The multiplicative inverse of the number 5𝟐 is …………
20- The multiplicative inverse of the number 0.8 is …………
21- The multiplicative inverse of the number 1 is …………
Using the addition properties in Q, find out the result of each of the following
in the simplest form:
𝟓
𝟑
+(− 𝟒) +
𝟖
𝟑
𝟖
𝟑
+
𝟒
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𝟐
𝟑
𝟓
𝟏
1) 𝟕 + 𝟒 + 𝟕+ 𝟒
……………………………………………………………………
……………………………………………………………………
……………………………………………………………………
……………………………………………………………………
2)
1)
2)
Using the distribution property, find the value of
each of the following in the simplest form:
5
Х3+
12
4
Х 11 +
9
5
12
4
9
Х6
Х 16
……………………………………………………………………
……………………………………………………………………
……………………………………………………………………
……………………………………………………………………
𝟐
𝟑
𝟓
𝟕
1) Find a rational number in half- way between 𝒂𝒏𝒅
(from the side of
the smaller number)
𝟏𝟒
𝟑𝟓
𝟏𝟓
𝟑𝟓
the smaller number
the greater number
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3
4
5
5
2) One third of the way between − , − (from the side of the greater number)
……………………………………………………………………
……………………………………………………………………
……………………………………………………………………
……………………………………………………………………
……………………………………………………………………
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3)
Reduce to the simplest form:
1)
3a + 2b + 5a + 4b
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2) 2x – 4y – 9x -3
……………………………………………………………………………
……………………………………………………………………………
…………………………………………………………………………….
4)
1)
Answer each of the following:
Subtract: y2 from -3y2
2)
Subtract: -6x2y from 9x2y
…………………………………………………………………
…………………………………………………………………
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5)
Find th sum of each of the following:
1 ) 3𝒳-2𝒴+5
,
𝒳+2𝒴-2
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2 ) 2𝓁 – 5m + 6n ,
5m – 6n – 2𝓁
……………………………………………………………………………………
……………………………………………………………………………………
……………………………………………………………………………………
……………………………………………………………………………………
Second geometry
1) If the two outer sides of two adjacent angles are
perpendicular, then these two adjacent angles are……….
2) If the two adjacent angles are supplementary, then their
outer sides are ……….
3) If two straight lines intersect, then each of two vertically
opposite angles are ………
4) ….. is the union of two rays with the same starting
point…………..
5) The measure of the straight angle = …… o and the
measure of zero angle is ……….o
The measure of right angle is ……….o
6)
7) The acute angle is the angle whose measure is less than
…... And more than …..
8) The two complement angles are the two angles whose
sum of their measure is……….
9) The two supplement angles are the two angles whose
sum of their measures is …………..
In the opposite figure:
If: BC = FD, m(∠A)=m(∠E)=95o, m(∠B)= 35o, m(∠D)=
50oand FE=7cm.
Complete the following:
1) m( ∠C) = …………o
2) m( ∠F) = …………o
3) △ ACB ≡△ ………….
4) AC≡ ………….
5)
AB = ………….. cm.
In the opposite figure:
If: CD ∩ BA ={F}, FA= FB, CF=FD,
m(∠CFB)=35o and m(∠B)= 100o
Then m( ∠ D) = …………o
1) Compelet :
1. The angle is
……………………………………………………
2. The acute angle supplements …………..angle.
3. If m(∠ 𝐴𝐵𝐶 ) = 60 °, then m ( reflex ∠ ABC ) =
…………
4. The sum of measures of the two
5. supplementary angles = ……..°
6. The two adjacent angles whose two outer sides are
perpendicular are ………..
7.If the ratio between the measures of two
supplementary angles is 1 : 2 , then the measure of the
smaller angle equals ………
8. If m(∠A)=150° , ∠B supplements ∠𝐴, ∠B ,then m
(∠𝑐) = ……. °
9. The angle whose measure =37 °complements an
angle of measure ………..°
10. The angle whose measure =62 °is supplemented
by an angle of measure …………
11. Zero angle is complemented by ……… angle.