8th Grade Math Review

Algebra

100

What is the solution to the equation 2x+3=11?

x=4

200

Simplify the expression 3(2x+4)−5

6x+7

300

Solve for x;    x³ = 216

x=6

400

Solve for x: 5(x−2)=3x+6?

x=6

500

What is the slope of the line that goes through the points (1,3) and (8, 17)

m = 2

Geometry

100

What is the Pythagorean Theorem?

a²+b²=c²

200

What is the only transformation that does not give you a congruent figure in the end?

Dilation

300

An angle in a triangle is 24 degrees. The remote interior angles are 64 and 92. What is the exterior angle of the triangle

156 degrees

400

What kind of angles are formed with two parallel lines, cut by a transversal, where they are on the same side of the transversal, one interior angle, one exterior angle and they will be congruent measures?

Corresponding Angles

500

If a right triangle has legs of length 5 and 12, what is the length of the hypotenuse?

13

scientific Notation

100

What is 800000 in scientific notation?

8 x 10⁵

200

what is .000003 in scientific notation?

3 x 10^-6

300

What is 30 in scientific notation?

3 x 10¹

400

What is 8⁴/8³?

8¹ or 8

500

(6 x 10⁴)/(2 x 10²)

3 x 10²

slope

100

What is the slope of the line y= 3x + 5? 

m = 3

200

Find the slope of a proportional line that goes through the point (2,4)?

 m = 2

300

What is the slope of a line that goes through the points (0, 1),  (3, -5)

m = -2

400

What is the slope of the line on the graph on the board?

m = 5

500

What is the slope of the line in the equation 2y = 3x + 6

m = 3/2 or 1.5

Functions

100

Is the relation (0,2) (0,3), (0,5) A FUNCTION?

No

200

Is relation (1,0), (2,0) and (3,0) a function?

yes

300

Determine if the line f(x) = 3x+1 is a function?

Yes

400

Is the line x=5 a function?

No

500

What is a function?

a set points where for every x-value given, there is one and only one y-value.