Use the image to answer the question.
A parabola is graphed on a coordinate plane. The x-axis ranges from negative 10 to 3 in increments of 1. The y-axis ranges from negative 10 to 10 in increments of 1.
Which of the following is true based on the graph of the quadratic?
(1 point)
Responses
The a-value is negative.
The a -value is negative.
The c-value of the equation in standard form is −10.
The c -value of the equation in standard form is negative 10 .
The c-value of the equation in standard form is −1.
The c -value of the equation in standard form is negative 1 .
The vertex is located at (3,−10)