System of Equations

one and two step equations

100

4x = 12

3

200

4x - 2 = 6

2

300

-4 + 3x = 17

7

400

2y - 9 = -11

-1

500

x/4 + 1 = 5

16

Equations with distribution

100

3(2x-8)=6

5

200

8(z−5)=16

7

300

3(5y+3)=39

2

400

2(5x-8)=14

3

500

3(4y+9)=39

1

System of equations lvl. 1

100

y = 9

y + x = 10

(1, 9)

200

x = 4

2x + y = 8

(4, 0)

300

x + 3y = 13

x = 1

(1, 4)

400

2x - 2y = -2

y = 4

(3, 4)

500

-x + 2y = 9

y = 2

(-5, 2)

System of equations lvl. 2

100

y = -8x

y = 10x + 108

(-6, 48)

200

y = -x

y = -5x - 4

(-1, 1)

300

y = -5x

y = 3x + 48

(-6, 30)

400

y = 10x + 120

y = -5x

(-8, 40)

500

y = 3x

y = -x + 12

(3, 9)

minimum, max, and zeros

100

What's the minimum value of the function to the nearest hundredth:

f(x) = 1.4x²−10.9x+28.7

7.48

200

What is the maximum value to the nearest hundredth of the following function:

f(x)=−1.4x²+11x−14

7.61

300

What is the minimum value of the given function to the nearest hundredth:

f(x)=x²−11x+28

-2.25

400

What is the maximum value of the given function to the nearest hundredth:

f(x)=−0.5x²+6x−13

5

500

What are the zeros of the function to the nearest hundredths place:

f(x)=1.3x²−9.7x+14

{1.96, 5.51}