Tell whether the ordered pair (-1, 2) is a solution of the system.
2x + 5y = 8
3x - 2y = 5
What is no?
100
3. Solve 2x + y = 5
y = x - 4 by using substitution. Express your answer as an ordered pair.
What is (3, -1)
100
15. Simplify (4^5)/4.
What is 4^4 = 256?
100
Simplify 3^-2
What is 1/9?
100
18. Add (2x^2 - x) + (x^2 + 3x -1).
What is 3x^2 + 2x -1?
200
Solve the system by graphing
2x - 3y = -7
3x + y = -5
What is y= (2/3)x + (7/3)
and y = -3x - 5
intersects at (-2,1)
200
5. Solve -3x + 4y = 12
2x + y = -8 by using elimination.
Express your answer as an ordered pair.
What is (-4,0)
200
14. Simplify (y^3)^-7 y^9
What is 1/(y^12) ?
200
10. Simplify (6)^0
What is 1?
200
19. Subtract (16y^2 - 8y + 9) - (6y^2 - 2y + 7).
What is 10y^2 - 6y + 2?
300
Solve y = x - 1
-x + y = 2
What is empty set, no solution?
300
4. Solve 2x - 3y = -7
3x + y = -5 by using substitution.
Express your answer as an ordered pair.
What is (-2,1)
300
Find the area of a rectangle with a length of (5 x^3 y^6) and a width of (7 y^3 x^6).
What is 35 x^9 y^9?
300
11. Simplify (6y^-5z^0)/x^-5
What is (6x^5)/y^5
300
20. Subtract (3x^2 + 5) - (7x^2 - 4x + 12)
What is -4x^2 - 4x - 7?
400
Write the equation for
Mrs. Gonzalez bought centerpieces to put on each table at a graduation party. She spent $31.50. There are 8 tables each requiring either a candle or vase. Candles cost $3 and vases cost $4.25. How many of each type did she buy?
What is v + c = 8
4.25v + 3c = 31.50
400
6. Solve 2x + 4y = -4
3x + 5y = -3 by using elimination. Express your answer as an ordered pair.
What is (4, -3)
400
Find the perimeter of a rectangle with a length of (4x - 2) and a width of (5x + 3).
What is 18x +2?
400
12. Find the value of the power 10^5.
What is 100000?
400
21. Subtract. (4b^3 + 8b) - (3b^3 + 6b - 2)
What is b^3 + 2b + 2?
500
Solve the system
Mrs. Gonzalez bought centerpieces to put on each table at a graduation party. She spent $31.50. There are 8 tables each requiring either a candle or vase. Candles cost $3 and vases cost $4.25. How many of each type did she buy?
What is 6 vases and 2 candles?
500
16. Simplify ((4 a^5 b)/(a^2 b^6))^3
What is (4^3 a^9) / b^15 or (64 a^9) / b^15
500
13. Simplify (-7^2)(-7^5)
What is -7^7 = -823543?
500
17. Write the polynomial 2x^2 + 5x – 4x^5 + 7x^3 - 3x^4 + 10 in standard form. Then give the leading coefficient.
What is -4x^5 - 3x^4 + 7x^3 + 2x^2 + 5x + 10, the leading coefficient is -4?