👤
Mayalamaggo
Answered

Learning Task 3
Perform the indicated operations. Write the correct answer.
1. (2a + 3b - 4) + (a - 2b + 3), the sum of the first term is
A. 2a В. За
2. (2a + 3b - 4) + (a -- 2b + 3) A. 3a + 5b -7 B. 38+ b - 1
3. (x+3y + d) + (x - 5y - 3d) A. 2x - 2y-2d B.2x + 7y -40
4. (2x2 + 7y2 + 5) + (3y2 - 2x2 + 4) A. 2x2 + 10y2 + 9 B. 10y2 +9
5. (2x²y - 3x?y2 + 5xy3) + (x®y – 5x2y2 - 7xy) A. 3x®y - 8x2y2 - 2xy3 B. 3x?y – 2x2y2 + 12xy?
6. (2a +3b - 4) -(a - 2b + 3) A. a-56-7 B. a+b+1
7. (2x2 + 5x“) - (x2 + 3x)
A. x2 + 8x B. 5x5 + x2 - 3x
8. (x+y-2) - (5x – 3y --4) A. 4x + 2y +2 B. 4x + 4y +2
A. 4x2 - 4x - 21
B. 4x2 + 4x -3
9. (7x2 - 12)-(3x2 + 4x + 9)
10. (x4 - 5x2 + 9x+8)-( 2x4 + 3x8 +6x2 + x) A. -X* – 3x3 – 11x2 + 8x+8 B. -** + 11x2 +8x+8​

Sagot :

Answer:

  1. B
  2. B
  3. A
  4. B
  5. A (3x²y - 8x²y² - 2xy³)
  6. A
  7. ( " <-- what is this exponent)
  8. B (-4x²+4y+2)
  9. A
  10. A (-x⁴-3x³-11x²+8x+8)

Go Training: Other Questions