Chapter 9 Review (College Algebra)

$$\left(\frac{1}{3},\ -1\right)$$

$$\left(\frac{1}{8},\frac{1}{128}\right)$$

$$\left(3,\ \frac{9}{2}\right)$$

$$\left(\frac{1}{2},\ \frac{1}{2}\right)$$

x = -4

x = 3

y = 5

y = -2

y = 2

10 adults, 11 children

12 adults , 9 children

11 adults, 10 children

9 adults, 12 children

$$3x+y\le3$$

$$-3x+y<3$$

$$3x-y>3$$

$$x+3y<3$$

(1, -5)

(2, 3)

(-2, 3)

(-1, 1)

(0, 2)

No Solution

Infinitely Many Solutions

One Solution

Cannot Be Determined

No Solution

Infinitely Many Solutions

One Solution

Cannot Be Determined

No Solution

Infinitely Many Solutions

One Solution

Cannot Be Determined

(2, -2, 3)

(2, 1, 4)

(-2, 2, -3)

No Solution

(3, 1, -5)

(-3, 1, -1)

no solution

infinitely many solutions