Determine the x-intercepts of the graph of the quadratic equation.y = x2 - 4x + 7
A. none
B. (4, 0)
C. (2, 0), (-2, 0)
D. (-4, 0)
Answer: A
Mathematics
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Evaluate using the order of operations.
+ (2)3 - 16
A. 28 B. -20 C. -4 D. 8
Mathematics
Choose the graph that matches the equation. y = 2
A. 
B. 
C. 
D. 
Mathematics
Write an equation for the line described. Write the equation in the form specified.perpendicular to 8x - 7y = 127, through (8, 9); standard form
A. 8x + 7 = 8 B. 7x - 8y = 128 C. 7x + 8y = 128 D. 8x + 7y = 127
Mathematics
Provide an appropriate response.Suppose that you are solving a system of 3 linear equations in 3 variables by the row echelon method. If you use the transformation -10R2 + R1, which row or rows of the augmented matrix, if any, will change?
A. Row 1 B. Rows 2 and 1 C. Row 2 D. None
Mathematics