1,975 Answered Questions for the topic linear algebra

Linear Algebra Inequalities Functions

10/07/19

Inequalities(Double equations)
(x+1)(x-2)---------------- ≥0x^2+7x-8Please explain this question.Part of the answer is -1≤x≤1. But how to get the range of it? I can't figure it out. Thank you.
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Linear Algebra Math Algebra 2 Algebra

10/04/19

If Shane has 16 quarters and nickels in his pocket, and they have a combined value of 220 cents, how many of each coin does he have?
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Linear Algebra Algebra 1 Algebra 2 Prealgebra

10/03/19

Algebra word problem
Lena has 80 stickers. she gives 5m stickers to her friends and shares the remaining stickers equally with her 2 brothers. a. how many stickers does she give each brother in terms of m? b. if m 4,... more
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09/29/19

Discrete Mathematics -- Finding the basis of a given set
Let A = {( 2z - w, z, w, z) | z, w ∈ R } ⊂ R4. Find a basis for A and show that it is a basis,
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Linear Algebra

09/28/19

what is the equation of the slope of 8 and the points (8,6)?
using function notation form
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Linear Algebra

09/23/19

Linear Equations Word Problem

A clothing business finds there is a linear relationship between the number of shirts,n,it can sell and the price,p, it can charge per shirt. In particular, historical data shows that 2000 shirts... more
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Linear Algebra Math Geometry Trigonometry

09/23/19

What is the rank of this matrix?
What is the rank of this matrix? 1 -1-1 1/2
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Linear Algebra Math Geometry Trigonometry

09/23/19

What is the transpose of the 2x2 matrix I?
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Linear Algebra

09/22/19

The graph of y=xsquared is vertically shrunk by applying a factor of 1/2 and the reaulting graph is shifted 7 units downward
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Linear Algebra Algebra

09/21/19

In 1995, the moose population in a park was measured to be 5600. By 1999, the population was measured again to be 6500.

In 1995, the moose population in a park was measured to be 5600. By 1999, the population was measured again to be 6500. If the population continues to change linearly, find an equation for the... more
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Linear Algebra

09/19/19

Find the 93rd term of the arithmetic sequence -5, -15, -25
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Linear Algebra Math Algebra Linear Equations

09/19/19

Give the slope and the y intercept of the line 7 x + 4 y = 5 .
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Linear Algebra

09/17/19

linear programming

Natalie is a hair stylist when making appointments for her clients she allots 30 minutes for each cut and 2 hours for each cut and color she has 10 hours available for appointments each day and... more
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Linear Algebra

09/15/19

MTH 266 HW 2 Problem # 3
Find the inverse of the matrix:B = a 2 -3 2a
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Linear Algebra

09/14/19

Can someone please tell me how to solve problems like: x^2y^8*x^3y^(-13)/xy^3 ?
x2y8 * x3y(-13)/xy3If someone answers, can you please thoroughly explain how you got the answer and how to do it? I tried calculating questions like this on different websites, but, since I have... more
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Linear Algebra

09/14/19

MTH 266 HW 2 Problem #1
Is the following valid? Why or why not?For square matrices A and B with Real entries: (A+B)2 = A2+ AB+B2
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Linear Algebra

09/12/19

f(x)=x-5; translation 4 units to the left
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Linear Algebra Algebra 1 Algebra 2 Sat Math

09/11/19

find a b and c please
The graph of the function f(x)=ax^2+bx+c has its vertex at (0, 5) and passes through the point (1, 6).  Find​ a, b, and c.
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Linear Algebra Algebra 1 Algebra 2 Prealgebra

09/11/19

Determine the quadratic function f whose graph is given. 
Determine the quadratic function f whose graph is given.   The vertex is (3,-12) and the ​y-intercept is -3.
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Linear Algebra Math Algebra 1 Algebra 2

09/11/19

PLease help solve this word problem
The point at which a​ company's profits equal zero is called the​ company's ​break-even point. Let R represent a​ company's revenue, let C represent the​ company's costs, and let x represent the... more
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Linear Algebra Math Algebra 1 Algebra 2

09/11/19

help solve the answers from the function given
The cost​ C, in​ dollars, of renting a moving truck for a day is given by the function C(x)=0.20x+45, where x is the number of miles driven.​(a) What is the cost if a person drives x=240 miles?​(b)... more
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Linear Algebra Algebra 1 Algebra 2 Prealgebra

09/11/19

please help me with this

suppose that f(x)=6x-5 and g(x)= -2+3 find:a) f(x)=0b) f(x)> 0c) f(x)= g(x)
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Linear Algebra Algebra 1 Algebra 2 Act Math

09/11/19

find the slope please

g(x)= 2x+8 f(x)= 1/6x-3 f(x)= 2 f(x)= 1
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Linear Algebra Algebra 1 Algebra 2 Prealgebra

09/11/19

fine the slope please

x y=f(x) 1 −8 2 −13 3 −18 4 −23 5 −28 determine the slope
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Linear Algebra

09/10/19

Need help ASAP! Parallel line problem!

I’m still very new to the topic, but can anyone help me out? My question is what’s the equation of a line that passed through the point (-2,3) and is parallel to the line whose equation is y=3/2x-4?
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