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~Algebra Basics~
3x+1<10
n2-3n+8 if n=4
~Algebra Basics~
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Answers
1
n
2
-3n+8 if n=4
32
9
12
7
2
3x+1<10
x<3
x<-3
x>3
x>-3
3
-2x+22<18
x>2
x<-2
x>-2
x<2
4
18-2x>4
x<6
x<49
x<7
x>-7
5
What is "two times the sun of number and five is twenty".
2(x-5)=20
3(2x+6)=21
2(x+5)=20
34
6
Solve the Equation. 6(2+4)-1/2*3+1
6
5
20
2
7
x+15/-3>-7
x>-6
x<-6
x<6
x>6
8
State the dimensions of each matrice. [10 -4 -20 15]
2*9
6*2
9*4
1*4
9
x/-2+1>4
x<6
x<-6
x>-6
x>6
10
Solve the equation. 8a-6+d-1
9a-7
9a+7
9a-6
2a-7
11
4|m-n| if m=-7 and n=2
36
32
8
2
12
Which inequality is a number that is less than 15
x<15
x>15
x<16
y>28
13
Give an example of the Inverse Property.
6+(-6)=0
6(4+2)=24+12
7+2=2+7
6+0=6
14
Use scalar multiplication to evaluate the following matrices. -3[12 -5]
[13 9]
[-66 6]
[-36 15]
[55 0]
15
Solve the Equation. (4-7)
2
-6*7+20
20
5
16
26
16
Subtract the following matrices. [14 -3 1] - [2 -4 -7]
[13 2 9]
[25 9 5]
[12 1 8]
[-12 -1 -8]
17
Integers are not whole numbers.
True
False
18
Give an example of a whole number that is not a natural number
2
0
1
100000
19
Solve the equation. 6a
2
b
2
+3ab
2
-a
2
b
2
=4ab
2
5a2b2-ab2
25ab+2kb2
5a2b2-kb2
10c2-2c+5
20
2x
2
-5xy-y
3
if x=-3 and y=-2
-2
-4
4
2
21
Give an example of the Associative Property.
9(8+5)=72+45
16+2=2+16
(6+29)+5=(29+5)+6
9*1=9
22
Solve for n. 31-12n=211
n=19
n=15
n=25
n=-15
23
Solve the equation. -3(-9v-4)-2(v-2)
25v+16
-x-4
27v+12-2v+4
6y-21
24
19-x
2
if x=-5
16
6
-6
2
25
Solve for x. -5x+7=-38
x=9
x=-9
x=13
x=29
