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现在参加这个测试
Expressions & Equations Grade 6
  • 1. Write each product using an exponent 4 x 4 x 4 x 4
A) 64
B) 128
C) 16
D) 256
  • 2. Write each product using an exponent 3 x 3 x 3 x 3
A) 12
B) 21
C) 85
D) 81
  • 3. Simplify 7x - 2 + 6x2 - 3x + 5
A) 4x - 2 + 12 + 5
B) 4x+8 + 5
C) 4x + 15
  • 4. Simplify 8x + 2x - 3y - 9x
A) x - 3y
B) -2xy
C) 19x - 3y
D) x3 - 3y
  • 5. How many terms are there in 2x + 8 - 7y3
A) 5
B) 6
C) 3
D) 4
  • 6. The ordered pair (3, -7) is in which quadrant
A) II
B) IV
C) V
D) III
  • 7. Which of the following expressions is equivalent to: 3(x + 4) - 2
A) 3x + 14
B) 3x + 10
C) 3x + 5
D) 3x + 4
  • 8. Evaluate a + b if a = 7 and b = 3
A) 21
B) 4
C) 10
D) 13
  • 9. Evaluate 2a + b if a = 4 and b = -8
A) 12
B) -12
C) -32
D) 0
  • 10. Write an integer for: 22 degrees below zero
A) -22
B) 0
C) +22
D) 22
  • 11. Evaluate mx + b if m = -2, x = 4 and b = -3.
A) -1
B) -8
C) -11
D) 9
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