for 7-9 state yes or no whether each pair of expressions are equivalent. 7. 9r-6r and 6r - 9r 8. 11c - c - 2c and 20c - c - 11c 9. 21d - 8d and 18d - 5d

Q: Which of the following is equivalent to 4x? + – + 9+++÷2x² +++x + – + 3+? - 2x 3

A: We need to solve +2x4x2+-+9++++32x2+++x+-+3+. So,…

Q: Find -44-3B and simplify. 5 5 -5 -1 1 5 A = 1 1 B = 7 12 -23 -17 35 -4A-3B = 7 2 -4/2 + 21 1/2

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Q: Select all expressions that could be equivalent to + ba - 36 where b is negative. O a (*+ 3)(@-12) O…

A: Given expression, => x2 + bx - 36 .

Q: Simplify the following expression: 2h³j-3k4 3jk 2h3k3 3j4 2h3k3 3j 6h3k3 j4 h3k3 j4

A: We have to simplify

Q: Evaluate the following expression. 2 (5 [26-(8+8)]- 13}-8 2 {5 [26-(8+8)]- 13}-8= (Simplify your…

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Q: 10x* - 7x* - 1 2 Which of the following is an equivalent expression for x-x+3 10x? + 10x – 27 57x +…

A: We need to evaluate an equivalent expression of the following expression 10x4-7x2-1x2-x+3

Q: Which of the following expressions is equivalent to 2i? Select all that apply. a (2i) (2)

A: Given: x23 Now check:   a)  x32=x132=x13×2=x23 b) x3=x123=x12×3=x32 c) x2x3=x2-3=x-1 d)…

Q: Which of the following is equivalent to the expression below? 12(y + 89) A. 12(89 y) B. (12 89) + y…

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Q: Evaluate the expression 3A – 4B given -3 2 -2 3 A = B = -2 0 -1 1 1 6 2 4 -1 -6 -2 -4 -15 15 -3 -3…

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Q: Given 10z2 + 3z-1 Which terms are missing in the box? 102 -1 O 5x and -2.x 5x and 2.x O 3r and =r O…

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Q: Which expression is equivalent to 27r-8y?

A: a3-b3 =a-ba2+ab+b2

Q: Match the following with their expanded form: (5x + 5)(2x – 3) 10x?- 25x + 15 10x?+ 25x + 15 (5x –…

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Q: Marlene used a calculator to evaluate an expression and got a result of 7. Which expression did she…

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Q: Evaluate the following expression. -3[(-4)²-6(9-7)1² -31(-4)2-6(9-7)1²- (Simplify your answer.)

A: This question is based on BODMAS rule-:The brackets have to be solved first followed by powers or…

Q: Consider the expression 8-6x + x. Is the expression equivalent to (x- 4)(x-2)7 O True O False

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Q: x? + 12x + 35 Simplify completely 3x +15 x? +21 3 O x? +11 3 x+7 3 X+5

A: First we will find the  factors of numerator then we will simply the expression as shown below

Q: Consider the following expression (3a-5b) (-3a²26-4). One of the choices below is the simplified…

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Q: 5 Let A = -7 7 0 and B= 3 3 - - -3 1 0 Find 2A + 6B. -2A + 6B = 065 1 12 -5 5 -1 - 1 3

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Q: Simplify the following expression. x²-10x x2 +x + 2 x +9x x +9x X-9 O A. x+9 -9 О в. x+9 2x -9 x+9…

A: Given:- x2-10xx2+9x+x2+xx2+9x To Find:- Simplfy the given expression

Q: Consider the following table: Possibilities for a Possibilities for b x -4 Possibilities for c…

A: From the given table

Q: 2. Which expression is equivalent to * 2(x- 4)2 – 2 2x - 16x+ 32 2x + 16x – 32 Option 1 Option 2 2x…

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Q: s the answer to 25-3(5+2) equal to 112, 12, 8, or 4? Move the parentheses to create three statements…

A: To determine whether the answer to equal to 112, 12, 8, or 4.

Q: Re-write the following set of expressions as a single expression. Clearly define any…

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Q: Simplify each algebraic expression. (A) 7x³y +9+ 6xy - 7xy-21-7x'y

A: For the given expression 7x2y+9+6xy-7xy-21-7x2y  is  -xy-12

Q: Evaluate the following expression. −2(-3) + [6+ (6-9)²] /√25+4

A: The given expression is:−2(−3)+[6+(6−9)2]/25​+4 Recall the order of operations, PEMDAS:P -…

Q: Simplify the following expression 1. (8y +5)-(5x+3) 2. (2x-5xy+3y)-(2x-xy-2y)…

A: 1. (8y +5)-(5x+3)2. (2x-5xy+3y)-(2x-xy-2y)3.(12x-5y)+(-7x-5xy+2y)

Q: algebraic expressions i. 6p+2q-3p-q ii. 6-(4x-3y+1)-(5x+2y-9) iii. 2a(-3b)(-4c)(-1) iv.…

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Q: 9b is a 15 is a Variable: in this expression in this expression cis a 9 is a in this expression in…

A: Please find the answer in next step

Q: Cmbine the terms  4x+3x 10z+4+8z+3 21y+3Y  121/2k+51/2+31/2k  15n+2 4m +4 + 3m

A: We have to combine the given curve.

Q: Combine like terms to simplify the following expression: 2.5yx + 0.5x – xy + 0.75y 0.5x + 1.5xy+…

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Q: valuate the expression for the given values of the varial -k2 - (4k - 5n)+ 6n; k= -3 andn=-4 or k =…

A: We have to evaluate the expression: -k2-4k-5n+6n when n=-4, k=-3. In this case we need to put the…