Test - Algebra I Post Test

1 pt Chapter: 8 Standard: A.REI.3 DOK: 2

Using the image below, write an equation that represents the statement, "the length of Line A is equal to the length of Line B."

$2 x + 49 = 35$

$49 - 35 = x^{2}$

$x^{2} + 35 = 49$

$2 x + 35 = 49$

1 pt Chapter: 14 Standard: F.IF.8a DOK: 2

What is the vertex of the following function?
$y = x^{2} + 8 x + 9$

(4, –7)

(–4, –7)

(–4, 7)

(4, 7)

1 pt Chapter: 10 Standard: N.Q.1 DOK: 2

16.

What would the y-axis be labeled for the following data set?

pounds of coffee

price in dollars

bags of coffee

price in cents

1 pt Chapter: 12 Standard: A.REI.12 DOK: 2

43.

What would the inverse matrix solution to the following system of equations look like?
${\begin{cases} 4 x + 2 y = 6 \\ 10 x + 4 y = 6 \end{cases}}$

1 pt Chapter: 9 Standard: A.CED.2 DOK: 2

57.

What graph shows a line that has a slope of $-$ 1 and a y-intercept of (0, 1)?

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