Introduction to the coordinate plane | Introduction to algebra | Algebra I | Khan Academy
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Mathematics
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was Rene Descartes' significant contribution to mathematics?
He invented new types of numbers.
He developed the concept of calculus.
He created a strong connection between algebra and geometry.
He discovered the laws of gravity.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does algebra primarily deal with?
Studying shapes, sizes, and angles.
Equations that use symbols or variables.
The properties of numbers.
Measuring distances and areas.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the relationship between x and y is given by the equation y = 2x - 1, what is the value of y when x = 1?
-3
-1
1
3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is a plane considered two-dimensional?
It has only one direction.
It has an up-down and a left-right direction.
It has an in-out direction.
It can be folded in half.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Who is credited with developing the system of using x and y variables to plot points on a coordinate plane?
Isaac Newton
Pythagoras
René Descartes
Euclid
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the coordinates used to specify points on a plane, named after René Descartes, called?
Algebraic coordinates
Geometric coordinates
Cartesian coordinates
Linear coordinates
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
For the equation y = 2x - 1, what is the y-value when x = 0?
-5
-3
-1
1
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