Directions: Simplify each of the following expressions. 1. -2x + 4x2 - 7 - x2 + 7 - 8x 2. 7ab - bc - 4ab - 5bc 3. 3x2 - 5x + 7 + 2x2 + 3x - 9 4. 3r + 2z + 9t + 4r - 5s + t 5. -5xy + 7wz - xy - 5wz 6. 4a - 6b 7. 9a - 3b 8. (-6m + n) + (-4m - 5n) 9. (9x2 + 5) + (-2x2 - 8) + (x2 - 3) 10. 4a + (9a+3) 11. 7b + (4b - 6) 12. 8d2 + (6d2 - 4d) 13. (5x2 + 4) + (-3x2 - 4) 14. [-4x + (10 - 5x)] + 5x 15. 8 + [5 + (6 + x)]

Q: 3. Which equation is the standard form a- 4y + 6x – 8y+1= 0?

A: Given,            x2-4y2+6x-8y+1=0To find : Write the equation in standard form.

Q: Copy the problem and answer it on your answer sheets. Given that ao = 0, a = -2, a2 = -12 and an+3 =…

A: First note that there is a small typographical error in your question. The correct question should…

Q: 3 Which equation uses the Associative Property of Addition to simplify? Select all the correct…

A: Properties used for simplification

Q: -b + Vb – 4ac -b - VB – 4ac The solutions to the equation ax2 + bx + c = 0 (a + 0) are For Exercise,…

A: Given that,   The solution of the quadratic equation  are,   and

Q: Determine all the roots of R(y)=12y²+11y-5

A: R(y)=12y²+11y-5

Q: 9. Which equation is the general form of (x – 2)? – (y+ 5)? = 18? O 2? – y? – 4x – 10y = 1 O x2 – 3?…

A: →The expansion of (x-a)2 = x2-2ax+a2.→The expansion of (y+b)2 =x2+2by+b2

Q: Which of the values for x and y make the equation 3x + 4y + 6 = 26 true?

A: 3x +4y +6 = = 26 ( this is the equation of straight line and on one line there are infinite points…

Q: Directions: Simplify these problems by combining like terms. 13. 12q - 4 + 10q - 4q +9 = 14. 21k -…

A: 13.12q-4+10q-4q+9=18q+514.21k-20k+3k=4k

Q: It is given that A = 4x +3 and B = 2x −3. Express 3A-2B in terms of x and simplify the expression.…

A:

Q: 1. Which equation is the general form of (x -(y+5)- = 18? 22 - y - 4x- 10y = 39 22 – y? – 4x + 25y =…

A: Given that  (x-2)^2 -(y+5)^2 =18 now  we can write this  x^2 -4x +4 -(y^2 +10y +25)=18

Q: Solve for w. 7 3 +2 = - 2w 12 w+6 If there is more than one solution, separate them with commas. If…

A: Given equation is -72w+12+2=3w+6

Q: Find the value of the variable. Then use substitution to find MLRSU and MLUST. 15. 14. 13x/ 5x" (4x…

A: Explanation: 14. The Sum of linear angles is 180

Q: Find the values of x and y in each of the following. 2y)-5(2 )=4 () b) 7.

A: For the solution follow the next step.

Q: Drag the tiles to the boxes to form Match the pairs of equivalent expressions. (-14 + ) – (1 + ) (5…

A: first solve all the expression and the find the equivalence expression:…

Q: Find the difference of (3y- 4y+1) – (r+? – 2) Answer must be standard form.

A: The first step is to remove the parentheses

Q: Which of the following expressions simplify to 4x? y? (4xy) (4x) (&xy²) (2r°yz) y(2x²y)

A:

Q: Simplify. Show all steps. 5. -5xy + 12 + 7x- 4y+ 8yx + 2x k-k 6. k7 -5xy+12+7x+-4y+8xy+2x…

A: As per student asked for question no 9 so I solved only 9th no question.

Q: Solve for w. 5w=-9w-4 If there is more than one solution, separate them with commas. If there is no…

A:

Q: I«( Va + bi

A:

Q: Which equation is true when x= -18? A) ½x+8= 12 B) 8-½x= -8 C) 12+½x= 3 D) 3-½x= 8

A: We have to find which equation is true when x=-18. Equation will be true when x=-18 if it satisfy…

Q: (-11x+31y)-2(-x+5y)  Which of the following expressions is equivalent to the expression above? A)…

A: Given,            (-11x+31y) -2(-x+5y)

Q: Rewrite the following equations in the form Ax + By = C to y = mx + b and vice versa. 6. Зх — 6у 18…

A: Given equations we have to write slope intercept form i.e from Ax+ By = C = y= mx+ b:

Q: solution to the equation x+6y=6? (8,-1) (-6,2) (-12,3)

A:

Q: Solve for y. y-11y+28=0 If there is more than one solution, separate them with commas. If there is…

A:

Q: ha)= ZX-3x?-5x+6 2x+6 Find the Jeros.

A:

Q: Solve for y, where y is a real number. /2y+12+1= 3 If there is more than one solution, separate them…

A: Square both sides

Q: Which expression is equivalent to 6x³ – 5x?y – 24xy? + 20y ? a. x2(6x – 5y) + 4y2(6x + 5y) b. x2(6x…

A:

Q: Directions: Simplify these problems by combining like terms. 13. 12q - 4 + 10q - 4q +9 = 14. 21k -…

A:

Q: Which equation is the general form of (x- 2)2 - (y+5)2 = 18? 22 - y2 - 4x + 25y = 18 22 - y?- 4x 10y…

A:

Q: Which of the following is (are) the solution(s) to | 6x-5|=7

A:

Q:

A: The given quadratic equation is,

Q: If B = 2w? + 1 and C = 1– w, find an expression that equals 2B – 2 %3D %3D - in standard form.

A:

Q: Which table shows solutions to 2x + 3y = 9? A -3 3 6. y 3 1 -1 -3 3. y 3 1 -1 C -3 y 3 -1 -3 5 3

A:

Q: Which property of real numbers allows the equation 3x + 4y + z(0) = 14 to be restated as 3x + 4y =…

A:

Q: Find all x and y  (0 ≤ x < 2?, 0 ≤ y < 2?)  so that the following equation is true. (Enter your…

A:

Q: perform the indicated operations, and express your answers in simplest form. (t + 3)/(3t - 1) + (8t2…

A: we have to perform the indicated operations, and express our answers in simplest form.…

Q: What is the easiest way to parse the roots below:- 9 -!o()) -o と o - 30+2:75 D - »·75)y=q.…

A:

Q: Question 8 Which expression shows an expanded form of -8x'y² (x² – 6y) ? - &r°y2 - 48x'y -8r°y -…

A: Ans : D

Q: Find the value of 3y+3 given that -11y-7=4. Simplify your answer as much as possible. 3y + 3 = | %3D

A:

Q: Which of the following expressions is equivalent to (2x – 2)(x+4) ? A. x - 6x + 8 B. 2x- 6x + 8 C.…

A:

Q: Which pair of expressions are equivalent? O 3(2x – 3y); 6x – 3y O 12r – (z+ y); 11x + y O x(r+ 2y);…

A: I]  3 (2x - 3y) Multiply by 3  to ( 2x-3y), we get  3 x 2x- 3 x 3y  →  6x -9y which is not…

Q: simplify and then evaluate the expressions for x=-1,y=2,z=3. a.) (2xy^3z^-1)^2/x^2y^4

A: F(x,y,z) = (2xy^3z^-1)^2/x^2y^4

Q: 1 trac(B) B = (-1 3 -2 4 -6 -5

A: The given matrixB=121-13-24-6-5

Q: Which of the following is an equivalent to the sum of the expressions y +1 and y - 2? A. y3 +y B. y3…

A:

Q: Which is a pair of equal expressions? A. 9y + 6 and 6y + 9 B. 7x- 3 and 3 – 7x C. 2y x 4 and 2 × 4y…

A: This is a problem related to algebra. based on the general concept we will solve this problem.

Q: an = 4аn-1 — За,-2 + 2" + п+3

A:

Q: 3y+6=21

A:

Q: Which equation is equivalent to 3[x + 3(4x – 5)] = 15x – 24? %3D O 15x- 15 = 15x - 24 O 15x-5 = 15x…

A:

Q: 7. Which of the following equations is true? A. 2-3 = -8 В. 2-3 12x*y7z° -3x3y9z-5 %3D 8 C. 2-3 = -…

A: From the rule of exponent, am=a×a×a...a⏟m times a a-m=1a×a×a×....×a⏟ m times aaman=am+naman=am-n

Q: hich of the following expressions can be set equal to 2.74x -79 to form an equation that has no…

A: To find which of the following expressions can be set equal to 2.74x -79 to form an equation that…