Final Exam Practice

Scientific/ Standard Notation

100

If you move your decimal to the left then the exponent will be positive or negative?

Negative

200

If you move your decimal to the right then the exponent will be positive or negative?

Positive

300

0.0000519 expressed in scientific notation

5.19 X 10^-5

400

Write 13,800,000,000 in scientific notation.

1.38 X 10¹⁰

500

What is 2.03×10¹¹ written in standard notation?

203, 000, 000, 000

Equations/ inequalities

100

2(-b + 12) < 16

b > 4

200

6x - 3 > 3x + 12

x > 5

300

2(k-5) + 3k = k + 6

k = 4

400

2(2m) + 4(4m+2) = 108

m = 5

500

 What is the solution of the equation −16+2x+3=4x−13−7x?

x = 0

Exponents/ solving

100

Identify the base and the exponent in the following expression. 

4⁵ 

4 is the Base and 5 is the Exponent

200

Solve: x² = 144

x = Positive or negative 12

300

The solution to the system of equation given below is:
y=x+8

2x+y=-10

A. (2,6)        B. (2,-6)        C. (-6,2)            D. (6,2)

C. (-6,2)

400

Solve the following system of equations.

x = 2y

2x + 5y = 9

x=           y=

x= 2

y= 1

500

Solve: x³ = 64

x = 4

Slope/ y- intercept

100

What does m represent in the equation y=mx+b?

Slope

200

What does b represent in the equation y=mx+b?

y-intercept

300

What is the equation for slope intercept form?

y=mx+b

400

What is the slope of the equation? 

y=x+2

1

500

What is the equation in slope intercept form if you have a slope of 3 and a y-intercept of -5?

y=3x-5

Pythagorean Theorem

100

What is the formula for Pythagorean Theorem?

a² + b² = c²

200

 The Pythagorean Theorem can only be used on ____ triangles.

Right

300

A triangle has sides with lengths of 4cm, 5cm, and 7cm. Is it a right triangle?

No

400

Do the following lengths form a right triangle? 

a=6.4       b=12         c=12.2 

No

500

Do the following lengths form a right triangle?

a=2.1            b=7.2             c=7.5

Yes