May 23

System of Equations

100

Solve this system of equations:

y=2x-7

y=3x

x = -7

y = -21

200

What is another name for System of Equations?

Simultaneous Equations

300

How many solutions does this system of equations have?

y = 2x + 9

2y = 4x + 11

No solutions

400

How many solutions does this system of equations have?

y = 2x+4

-16 - 8x = -4y

Infinitely many solutions

500

Solve this system of equations with 3 variables:

4x + y - 2z = 0

2x - 3y + 3z = 9

-6x - 2y + z = 0

x = 3/4, y = -2, z = 1/2

Vocabulary

100

The answer to a multiplication problem is the

Product

200

A triangle with exactly two equal sides is....

An isosceles triangle

300

In the problem 20 / 4 = 5, 5 is the....

Quotient

400

F + V = E + 2

Explain what F, V, and E mean

AND 

What is the name of this formula?

Faces, Vertices, Edges

Euler's Formula

500

A quadrilateral with one set of opposite and equal acute angles and one set of opposite and equal obtuse angles; it is also a parallelogram.

Rhombus

Solve it

100

Point A = (2, 5)

Point B = (-1, -4)

Find the slope

Slope = 3

200

Midas and Chance are at the school. Midas walks 16 meters north. Chance walks 63 meters east. How long is a straight line between Midas and Chance? (You may use a calculator!)

65 meters

300

Write the following expression with only 1 exponent:

5^-2x³

(1/25)x³

400

Write the following using only 1 exponent:

(2/x^-4) * 81^(1/2)

18x⁴

500

Solve for x (both solutions) 

4x² + 26x + 12 = 0

x = -6

x = -1/2