Linear Inequalities: Solve, & give interval notations, show on number line: | 2x+1 | < 3 If I solved it correctly, I got x<1,...
Linear Inequalities: Solve, & give interval notations, show on number line: | 2x+1 | < 3 If I solved it correctly, I got x<1,...
-3(4y-5)=-7(-5-2y)
-3(9y+2)=2(-4y-7)
3(5-h)-2(h-2)=-1
3x + y = 18 2x – y = 7 5x + 3y = 21 2x + 7y = 20 5x + 3y = 31 2x + y = 12 2x + 3y = 1 -x + 2y =...
In The Moment Café, a local eatery, Chef Marie has noticed that the ordering of supplies was not correct last month. This month, she wants to maximize her profit while ordering the correct amount...
What are the equations of the boundary lines in the form y=... for these two inequalities I) 2y+3x> 11 II) 2y> 10x-7 The second equation should...
Solve the system x1+x2-4x3=3 3x1+4x2+3x3=-8 x1=? x2=? x3=?
Find a basis of the subspace of R4 defined by the equation 5x1+3x2+2x3-8x4=0
Let v1= [1,2,-1], v2=[-2,-1,1], and y=[4,-1,h]. For what value of h is y in the plane spanned by v1 and v2?
Find two linearly independent vectors perpendicular to the vector v=[-2,3,-5]
Express the vector v=[6,2] as a linear combination of x=[-4,-1] and y=[-5,-1] v=?x+?y
Find a basis of the subspace of R4 consisting of all vectors of the form [x1, -2x1+x2, -9x1+4x2, -5x1-7x2]
Let A= [1 -4 5 4 2 -8 10 8] Describe all solutions of Ax=0.
Let H be the set of all vector of the form [-4s,-3s,5s]. Find a vector v in R3 such that H=span {v} v=?
Among all the unit vectors u= <x,y,z> in R3, find the one for which the sum x + 2y + 5z is minimal. u=<>?
Find a set of vectors {u,v} in R4 that spans the solution set of the equations x-y+z-3w=0 x+2y-z+3w=0 u=? v=?
Let A= [0,3,0,5] B=[2,-3,-1,-1] C=[2,21,8,33] D=[-2,6,4,4] they are linearly dependent, determine a non-trivial linear relation
Let A= [1 -4 5 4 2 -8 10 8] Describe all solutions of Ax=0 x=x2 ?+x3 ? +x4?
Express the vector v=[6,2] as a linear combination of x=[-4,-1] and y=[-5,-1]. v=?x+?y