8th Grade Math Review Final 2020-2021

What is the slope of the line connecting the points (-3, 4) and (2, 6)?

• -5/2

• -2/5

• 2/5

• 5/2

Tags

CCSS.8.EE.B.5

Solve for x:

6x - 6x = 0

• No values for x satisfy this equation

• This equation is true for all values of x

• x = 0 only

• x = 1 only

Tags

CCSS.8.EE.C.7A

What is the y-intercept of the graph represented by the equatin:

y= 2/5x - 3

• 2/5

• -3

• 3

• 2/5x

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Using the Pythagorean Theorem, what must the hypotenuse be of a triangle with legs 8 and 15?

• 16

• 17

• 18

• 19

Tags

CCSS.8.G.B.8

Point A' (–4, –4) is the result of a series of transformations of point A (4, 4). Which of the following does not describe a possible series of transformations for these points?

• A reflection of point A across the y–axis, then a reflection across the x–axis.

• A translation of point A to the left of 4 units, then a translation down of 4 units.

• A reflection of point A through the origin.

• A reflection of point A across the x–axis, then a reflection across the y–axis.

Tags

CCSS.8.G.A.3

Which of the following is a rational number?

• $\sqrt{2}$

• $\pi$

• cube root of 9

• 2/9

How would you write 564,000,000 in scientific notation?

• 5.64 x 10^-7
• 5.64 x 10⁶
• 5.64 x 10⁸
• 56.4 x 10⁷

Tags

CCSS.8.EE.A.3

If the exponent on your power of 10 is positive, is your number larger or smaller than 10?

• Larger
• Smaller

Tags

CCSS.5.NBT.A.2

Change from standard form to scientific notation:  0.000398

• 39.8  x  10^-5
• 3.98  x  10^-5
• 3.98  x  10^-4
• 39.8  x  10^-6

(x⁴) (x¹²)

• x³

• x⁴⁸

• x¹⁶

• x⁸

Tags

CCSS.2.OA.C.3