AlgebraEasyWhere a line meets the x-axis
Algebra practice question
In the xy-plane, the graph of x + y = 5 passes through the point (a, 0). What is the value of a?
Answer: 5
With y = 0, x = 5.
Common wrong answers
- If you answered 0
- 0 is the y-coordinate of the point.
- If you answered -5
- −5 has the sign wrong.
- If you answered 2.5
- 2.5 halves 5.
More Algebra questions
- Easy
If 3x + 7 = 22, what is the value of x? - Easy
If x/4 = 9, what is the value of x? - Easy
The function f is defined by f(x) = 6x − 5. What is the value of f(3)? - Easy
The perimeter P of a rectangle with length l and width w is given by P = 2l + 2w. Which of the following expre… - Easy
Which equation defines the function f? - Easy
In the xy-plane, the graph of the equation y = 4x − 12 crosses the x-axis at the point (a, 0). What is the val…
Not affiliated with the College Board. SAT is a trademark of the College Board.