8th grade math formulas
Authored by Misty Roberson
Mathematics
8th Grade
CCSS covered
Used 36+ times
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84 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for finding the volume of a sphere?
V = 4/3πr3
V = Bh
V = 1/3πr2
V = πr2
Tags
CCSS.8.G.C.9
CCSS.HSG.GMD.A.3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The pythagorean theorem is:
y = mx + b
a2 + b2 = c2
Ax + By = C
Tags
CCSS.8.G.B.8
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the rule notation for a reflection across the y-axis?
(x,y) »»» (-x,y)
(x,y) »»» (x,-y)
(x,y) »»» (-x,-y)
(x,y) »»» (y,-x)
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the volume formula for a cylinder?
V = 1/3πr2
V = bwh
V = πr2h or V=Bh
V = 4/3πr3
Tags
CCSS.8.G.C.9
CCSS.HSG.GMD.A.3
5.
MULTIPLE SELECT QUESTION
1 min • 1 pt
What is the slope (aka "Rate of Change") formula?
Rise/Run
X1 + X2 / Y1 + Y2
Y2 - Y1 / X1 - X2
Y2 - Y1 / X2 - X1
Tags
CCSS.8.EE.B.5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Rule Notation for a rotation of 90°?
(x,y) »»» (-x,-y)
(x,y) »»» (-y,x)
(x,y) »»» (y,-x)
(x,y) »»» (4x,4y)
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the slope-intercept form?
y-y1 = m(x-x1)
y = x
y = mx + b
Ax + By = C
Tags
CCSS.8.F.A.3
CCSS.8.EE.B.6
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