Math 1401 - First Day "Jeopardy"

Solve for x

200

4x + 7 = 31

x = 6

400

14 + x + 3 = -36

x = -53

600

3x + 3 - 2x = 21

x = 18

800

3x - 1 = 5(x - 1) - 2(7 - 2x)

x = 3

1000

(3 - 3x)/7 = 6

x = -13

Simplify Expressions

200

2/5 x 9/2

9/5

400

-2(3/7) ÷  1/3

-51/28

600

-4(3x - 2) -2(4 + 3x)

-18x

800

-(x + 7) -2(4x + y)

-9x -7 -2y

1000

([(2 x 3) + (7 x 4)] + 2) x [(8 - 6) - (4 - 3)]

36

Formulas

200

What is the slope intercept formula?

y = mx + b

400

What is the Standard form of a linear equation?

ax + by =c

600

What is the point-slope form of a linear equation?

y - y1 = m(x - x1)

800

What is the formula for the Pythagorean Theorem?

a² + b² = c²

1000

What is the formula for area of a circle?

A = πr²

Lines

200

Is the slope of the following linear equation positive, negative or zero?

y = 2x - 7

Positive

400

Find the x-intercept of the line: 

2x + 3y = –18

x = -9

600

Find the y-intercept of the line: 

2x + 3y = –18

y = -6

800

Tell whether the lines for each pair of equations are parallel, perpendicular, or neither.

7x – 4y = 4         x – 4y = 3

Neither

1000

Write the slope-intercept form of the linear equation for the line passing through (3,9) (5,4)

y = (-5/2)x + 33/2

Random

200

Solve for a: 

ax + b = c

a = (c - b)/x

400

Expand (2x – 6)²

4x² - 24x + 36

600

What property is shown: c (a + b)= ca + cb

Distributive property

800

What is the range of x = 7?

All Real numbers

1000

What's the domain of 

(x² - 3x -10) = 0?

All Real numbers