Which of the following is irrational?
A) 2.5656
B) 2.45678
C) 1/3
D) -8
B) 2.45678
100
Evaluate 3^3
27
100
-6(a+8) = ?
-6a-48
100
What is the solution to this equation: 2x-6=14
x= 10
100
12r-8-12
12r-20
200
What two integers does the square root of 10 fall between?
3 and 4
200
What is (x^2) x (x^4)
x^6
200
-4(-8x-8)= ?
32x+32
200
Which of the following best describes the solution to the equation below: 7x+3=7x+3
A) Exactly one real solution, x=3
B) No real solutions
C) Exactly one real solution, x=7/3
D) Infinite Real Solutions
D) Infinite Real Solutions
200
n+4-9-5n
-4n-5
300
Which is greater: the square root of 4 or 2.5
2.5
300
Simplify (x^8)/(x^3)
x^5
300
-1/2(-6-4x)= ?
3+2x
300
Which statement represents the simplified form of the given equation and correctly describes the solution?:
9x +13= 3(3x+4)
A) 13=13, infinite real solutions
B) 13 ≠ 12; no real solutions
C) x=13; exactly one real solution
D) x = 12; exactly one real solution
B) 13 ≠ 12; no real solutions
300
-3x-9+15x
12x-9
400
Which of the following numbers is rational
A) -1.5/2
B) 2/3
C) 3.123456.....
D) -2.5321/6
B) 2/3
400
What is (x^3)^5
x^15
400
-12x(2x+5)= ?
-24x^2-60x
400
Which statement represents the simplified form of the given equation and correctly describes the solution?
9x-4=2(8+4x)+7
A) 16 ≠ 11; no real solution
B) x = 27; exactly one real solution
C) x = 19; exactly one real solution
D) 16 = 16; infinite real solutions
B) x = 27; exactly one real solution
400
2(2n-5)-3+4n
8n-13
500
List the order from least to greatest:
3.1, pi, square root of 4, 2.5
square root of 4, 2.5, 3.1, pi
500
Which of the following is equivalent to the expression shown below?
A) 6^3
B) 6^13
C) 1/(6^11)
D) 1/(6^21)
C) 1/(6^11)
500
-4x(18x-2)+2x= ?
-72x^2+10x
500
Which of the following equations has no real solutions?
A) 4(x - 7) = 4x - 28
B) 4x - 7 = 28x - 7
C) 4x - 7 = 4x - 7
D) 4(x + 7) = 4(x + 10)