Solve the systems in Exercises 15–22.
19.
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EBK COLLEGE ALGEBRA IN CONTEXT
- Exercises 7–12: Determine whether the equation is linear or nonlinear by trying to write it in the form ax + b = 0. 9. 2Va + 2 = 1arrow_forwardIn Exercises 15–16, solve each system by eliminating variables using the addition method. 15. [3x + 12y = 25 |2r - 6y = 12 x + 3y -x + 2y + 3z 2х - 5у — г 16. 5 13 -8arrow_forwardIn Exercises 3–6, solve each system by graphing. Identify systems with no solution and systems with infinitely many solutions, using set notation to express their solution sets. 3. x + y = 5 3x - y = 3 4. [3x – 2y = 6 16x – 4y = 12 3 y 6. [y = -x + 4 |3x + 3y = -6 5. 5h 2х — у %3D — 4arrow_forward
- Exercises 143–145 will help you prepare for the material covered in the next section. y2 - yı 143. If (x1, yı) = (-3, 1) and (x2, y2) = (-2, 4), find X2 - X1 144. Find the ordered pairs (- 0) and (0, 4х — Зу - 6 % 0. satisfying 145. Solve for y: 3x + 2y – 4 = 0.arrow_forwardExercises 86–88 will help you prepare for the material covered in the next section. If –9 is substituted for x in the equation 4x – 3 = 5x + 6, is the resulting statement true or false? Simplify: 13 – 3(x + 2). Зх + Simplify: 10(**1).arrow_forwardProof 2 implies 3 ,not type solution pleasearrow_forward
- Part 4. 1 Please show complete solution.arrow_forwardSolve the systemx′ 1 = x1+2x2, ......................(9.1.7) x′ 2 =2x1−2x2........................ (9.1.8)arrow_forwardIn Exercises 20–21, solve each rational equation. 11 20. x + 4 + 2 x2 – 16 - x + 1 21. x? + 2x – 3 1 1 x + 3 x - 1 ||arrow_forward
- In Exercises 15-16, each linear system has infinitely many solutions. Use parametric equations to describe its solution set. 15. a. 2x - 3y = 1 6x9y = 3 b. x1 X₁ + 3x₂ = x3 = -4 3x₁ + 9x₂ 3x3 = -12 -X₁ - 3x₂ + x3 = 4arrow_forward7. Solve the system a log, 3 + log, y = y+ log, r log3 12 + log3 r = y + log3 yarrow_forward5. (06.03) 5.(06.03) How can X-3 X+8 be set up as a system of equations? 4. 2. Bi U Font Family - AA- A =arrow_forward
- Algebra & Trigonometry with Analytic GeometryAlgebraISBN:9781133382119Author:SwokowskiPublisher:Cengage