explain how you did them and put the total process please, thank you
1
C С
(3, 0) TILAVIIETEELL
2x – 0= 6
2x = 6
X
: 3
구
In problems 3-8 solve the system of equations using either the addition
x = -5+ y
3.
{ 3(-5+Y)-2y=-7
3x – 2y =-7
= -15 ty – 2y =-7
obstitution
구
may = – 7 + 15
(+8= y 1
x = -5 5
8
x
–
16x – 8y = 32
4.
|2x – 4= y
substitution
16 Cy+2) – 8 Y = 32
16y + 32-8y = 32
8
8y=0
2x – 4=4
2x = y +4
x = y + 4
18=h
X =
x = 8
9th = y +2
2
x =
2
5.
5x-2y=19
3x + 4y =1
(-3)5x – 2y = 10
5) 3x + 4y = 1
– 15x + 6y = -57
15 x + 20y=5
Y
= -52
.
7
26 y
6.
(3x = 5-2y
|3x + 2 y = 7
Azt
$78-2y)+2y1
11
2 C
3x=5-2Y
ㅋ
5-2y +2y = 7
y = 7+5
x = 5 – 2011
х
* = 5 – 27
3
។
12
7.
(2x+3y=-15 (41) 2x + 3y = -15 $ -2x + 3y = 15
(2x + y = -9
2x + y = a (x + y =-9
–
/ Чу= 6
=
= – 9
2x + ½
2x= 2/2
y = 6/4
21 전
X = 42
2
x – y +z = 0 (1)
x+2y-z=-5(2)
x + y – 3z =-6
+
8.
(3x) X – Y + 2 = 0
* + y – 38 = -6
32-3y +
x + y –
Чx-2y
Ş-4x-2y
2
2x + y = -5 (12)2x + y = -S
4x – 2y = -6
2x-1-5
antly
4x-2y –
1-44
2x = – 4
x =
y =
=(-2 2.
JIN
– 2 0 1 +Z=0
x =
81
– 4 /
(2
2)
-2 01 +z = 0
1
Z = 2+1 Z 근
2
3
9. The general form for the equation of a parabola is y = ax? + bx+c.
Write the equation of the parabola that passes through the points (-1, -3),
(1, -1), and (3, -7).
Don’t know yet
In questions 10-16, solve the inequalities. State your answer.
10.64
botto
ܩܩܤܢ
C
10.x=5>2 * ?
MAN
11.
11. 5(3 + x) > -3(x + 3)
225
work?
3
– 2
12.
12. 4×2-x+ 5 and 6 2 4x – 3
634x-3
4x +*
2×42-46
x 24 = -2
2
-4x² – 3-6
x < 3
No
13
13. x-30
X-
20
x-3c-9
x 2 - 4+3
x 3 - 1
x < 2
14. -25.473452
loot
ab -455-3X Sy
-3
-3
-
5-xcy
x < 5
7!
11
A soksy
-4
20
x-
15. (x – 8|512
- 8 12 x 8-12
x = 20/
**-4/
all real numbers
16. |3x - 4 2 * ?
MAN
11.
11. 5(3 + x) > -3(x + 3)
225
work?
3
– 2
12.
12. 4×2-x+ 5 and 6 2 4x – 3
634x-3
4x +*
2×42-46
x 24 = -2
2
-4x² – 3-6
x < 3
No
13
13. x-30
X-
20
x-3c-9
x 2 - 4+3
x 3 - 1
x < 2
14. -25.473452
loot
ab -455-3X Sy
-3
-3
-
5-xcy
x < 5
7!
11
A soksy
-4
20
x-
15. (x – 8|512
- 8 12 x 8-12
x = 20/
**-4/
all real numbers
16. |3x - 4
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