Algebra. Please check my answers

Evaluate a/b+c^d for a=6,b=3,c=4 and d=5
A.42***
B.18
C.82
D.360

What is the simplified form of the expression ? -(12x-8y)
A.12x+8y
B.12x-8y*****
C.-12x+8y
D.-12x-8y

  1. 👍 1
  2. 👎 0
  3. 👁 610
  1. 4^5 means 4 to the 5th power, or 1024
    I suspect you meant something else.

    -(12x-8y) means -1(12x-8y) so you must use the distributive rule:

    -(12x-8y) = (-1)(12x) + (-1)(-8y) = -12x+8y
    So, (C)

    Your answer simply ignored the outside minus sign. It is the same as +(12-8y)

    1. 👍 0
    2. 👎 0

Respond to this Question

First Name

Your Response

Similar Questions

  1. Math

    1. Which expression is equivalent to (-2)(a+6)? A. -2a+6 B. 2a+12 C. -2a-12*** D. -2a+12 2. To which sets of real numbers does the number -22 belong? Choose all subsets that apply. (There's two right answers) Whole Numbers

  2. Algebra

    Please check all of my answers and tell me if they are right. 1. What is the simplified form of the following expression? 7m^2 + 6.5n – 4n + 2.5m^2 – n (1 point) A. 9.5m^2 + 1.5n*** B. 4.5m^2 + 1.5n C. 1.5m^2 – 4.2n D.

  3. Algebra 1

    1) what is the simplified form of (x-2)(2x+3)? Use the distributive property. A) 2x^2-x-6 B) 2x^2-6 C)2x^2-7x-6 D) 2x^2 +x-6**** 2) what is the simplified form of (3x+2)(4x-3) use a table. A)12x^2+18x+6 B) 12x^2+x-6 C)

  4. Math

    What is the simplified form of the following expression? 2x^2y + 3x^2 + 4y + 3x^2y + 2y

  1. math

    What is the simplified form of the following expression? 10yz/-2z

  2. Math. Need help

    1.if g=5 and k=1, evaluate 9+gk a. 13 b. 14 c. 15 d. 16 2.Evaluate a-b^2/b if a = 10 and b = 2. a. 1 b. 3 c. 8 d. 32 3.Evaluate 3xy^2 - y if x = 2 and y = 5. a. 26 b. 30 c. 120 d. 145 4.Evaluate 2d + d^2/3 if d = 6. a. 4 b. 12 c.

  3. Math

    Using the formula r = d/t, where d is the distance in miles, r is the rate, and t is the time in hours, at which rate must you travel to cover 212.5 miles in 2.5 hours? a- 71 mph b- 106 mph c- 150 mph d- 85 mph ? What is the

  4. Math! Please Help!

    1. What is the simplified form of (–3x^3y^2)(5xy^–1)? I think it is 15x^4y 2. What is the simplified form of –9m^–2n^5 × 2m^–3n^–6? I have no idea on this one. :/ 3. A rectangular pasture has a fence around the

  1. MAth 109

    The formula d= square root of 3h/2 models the distance, d, in miles, that a person h feet high can see to the horizon. If the pool deck on a cruise ship is 80' above the water, how far can passengers on the pool deck see? Write

  2. Algebra

    1) what is the degree of the monomial 3x^2y^3 A)2 B)3 C)5 D)6 2. What is the simplified form of 8b^3c^2 + 4b^3 c^2 A) 12bc B)12b^3c^2 C) 12b^6 c^4 D) 12b^9c^4 3. What is the simplified form of (4j^2+6)+(2j^2-3) A) 6j^2-3 B) 6j^2+3

  3. math

    Algebra 1.) Use the distributive Property to simplify the expression . (-1)(4 - c) A. 4 - c B. -4 + c C. 4 + c D.-4 - c 2.)Use the distributive Property to simplify the expression 4(2x - 4) A.8x + 4 B.8x - 4 C.8x - 16 D.4x - 16

  4. Math: Please check my answers

    1. What is the degree of the monomial 3x2y3? 2 3 5 6 2. What is the simplified form of 8b3c2 + 4b3c2? 12bc 12b3c2 12b6c4 12b9c4 3. What is the simplified form of (4j2 + 6) + (2j2 – 3) ? (1 point) (0) 6j2 – 3 (1) 6j2 + 3 (0)

You can view more similar questions or ask a new question.