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8th Math Spiral 3.3 TEKS 8.2B,8.4B,C,8.5I,8.8C,8.12D

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Posljednje ažuriranje 8 months ago
7
3
8.4.B
Obavezno
2
8.5.I
Obavezno
1
8.8.C
Obavezno
2
8.4.C
Obavezno
3
8.4.C
Obavezno
1
8.12.D
Obavezno
1
Pitanje 1
1.

Abigail earned $450 for working 30 hours

Graph Abigail’s pay per hour. (Hint: make a table for x = 0,1,2 and solve for y)

Pitanje 2
2.

Use the data represented in the graph below to answer parts a and b

What is the slope of the graph? m =

What is the equation for the graph? y =

Pitanje 3
3.

What value of x makes the equation true?

x =

Pitanje 4
4.

slope = y-intercept =

Pitanje 5
5.

m = b =

Proportional or Non Proportional?

Pitanje 6
6.

Selina deposited $800 each into 2 savings accounts. No additional deposits or withdrawals will be made for 5 years.

  • Account 1 earns 2% annual simple interest.

  • Account 2 earns 2% interest compounded annually. (2 numbers after the decimal)

What is the difference between the two balances of the two accounts at the end of 5 years?

$


Pitanje 7
7.

The area of a square wall is 202 square feet. Which measurement is closest to the side length in feet of this wall?