Solve the following equations: (a) 5x + 2 = 7 (b) 6x + 5 = 3x + 11 (c) 2x - (1-3x) = 8x - 2(3x - 4)
Solve Radical Equations Unit 7 Form Solve each equation. 1. 3x + 21 = 5x + 27 2. 5x + 6+ 25 = 27 I 3. (x - 27) = 64 4.26 = –1 + (27x)
8 and 9 plz Multiply or divide. Simplify. (4 points each) 5x x+x-6 3x 5x+5 6) 0 Add or subtract. Simplify. (3 points) -? 9 120S 21-7 2-7 x-1 x-1
0.65 for the Solve sin(3x)cos(5x) – cos(3x)sin(5x) = smallest positive solution. x = 10 X
x+5 + 4. Solve +7x+2 x-1 212+5x+2 3x28x+4 (a) You know the drill! Factor the denominators! (NOTE: If you need help factoring these polynomials, see Helping Handout: Lab 1B) i. Factor the first denominator: 6x2+7x +2 = ( OC ) ii. Factor the second denominator: 3x+8x+4-( iii. Factor the third denominator: 2x2+5x+2 = ( ) (b) Rewrite with factored denominators: x+5 x-1 X + (2x+ 1)(3x+2) x+2)(3x+2 ) (c) Find the restrictions: (x+2) (2x+1) AND AND (d) Find the LCM:...
f. g(f(x)) 5) Solve the system of equations (4.1) (5x + 4y = 7 (2x + 7y=-8 6) Graph the inequality 3x + 5y > 30. (5.1) 7) Graph the system of linear inequalities (5.2) 3x + 2y = 22 (5x + 7y = 55 8) Find the value of an investment in an account (2.5, 3.1, 3.2) a. Bearing 4% simple interest after 5 years.
2. x+4y= 14 2x - y=1 x=2, y=3 3. 5x + 3y = 1 3x + 4y = -6 x=2, y=-3 | 4, 2y- 6x =7 3x - y=9 No solution/Parallel lines
1.(3x)( Jx & Kx) 2. (x) (Jx Lx) / (3x)/(Lx & Kx) 1. (x)(5x *Tx) 2. (3x) (Sx & Ux) / (3x) (Ux &Tx) 4. 2. (x) (Nxo Mx) 3. Na /Oa 1.(3x)( Jx & Kx) 2. (x) (Jx Lx) / (3x)/(Lx & Kx) 1. (x)(5x *Tx) 2. (3x) (Sx & Ux) / (3x) (Ux &Tx) 4. 2. (x) (Nxo Mx) 3. Na /Oa
a.) Solve the following IVP. X !=3x,-13x2 X, (O)=3 X2 = 5x +X2 X₂(0)=-10 b.) solve the following IVP. X;= -X, +(3/2) X2 X, (2)=1 X 2 = (-%6) xx-2x2 X2 (2)=0
2. Solve the following equations: (4 pts ea.) a. 5x – 2y = 15 & 3x + 2y = -7 b. 2x + 3y = 3 & - 10x + 2y = -32