Shookii
Shookii Shookii
  • 22-10-2021
  • Mathematics
contestada

What is the value of the expression below if z=6
2z²-8z-2

Please help if possible! Thank you!

Respuesta :

MalakYaqoot
MalakYaqoot MalakYaqoot
  • 22-10-2021

Answer:

[tex]22[/tex]

Step-by-step explanation:

[tex]2 {z}^{2} - 8z - 2[/tex]

[tex]2 \times {6}^{2} - 8 \times 6 - 2[/tex]

[tex]2 \times 36 -8 \times 6 - 2[/tex]

[tex]72 - 8 \times 6 - 2[/tex]

[tex]72 - 48 - 2[/tex]

[tex]24 - 2 = 22[/tex]

Answer Link
rinzilla14
rinzilla14 rinzilla14
  • 22-10-2021

Answer:

22

Step-by-step explanation:

We know z=6

2z²-8z-2

Take out the z for 6.

2(6)²-8(6)-2

1.  2(36)-48-2

2. 72-50

3. 22

Answer Link

Otras preguntas

If the supplement of an angle is two-third of itself ,then its supplement is
1/6 of a ship's crew are engineers, 1/4 are stewards and the rest are soldiers. if there are 48 crew members in all, how many sailors are on the board of the sh
Can anyone help me solve this algebra porblem? -4 2/3=2n/3+1/3+n/3 Negative four and two thirds equals two "n" over three plus one over three plus "n" over thre
what is a cardinal? please help
what is a normal temperature for dogs?
What was the Battle of Wounded Knee?
Summarize the way plants store extra sugar
are cockroaches active during the day?
Argue your support for the North to include accurate details about causes and effects of the war and your reasons for fighting for the Union. Describe how the o
A 430 g football is lying on the ground, then is kicked and is moving at 25 m/s. If the duration of the impact was 0.0010 s, what was the average force on the b