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Laabri

systems of equations and slope

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Last updated about 4 years ago
13 Nsɛmmisa
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8.4.C
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Asemmisa {{asɛmmisaAhyɛnsode}}
1.

The equations y = –x and y = –2x + 4 are graphed on the coordinate plane. Which of the following accurately identifies and verifies the intersection point that satisfies both equations?

Asemmisa {{asɛmmisaAhyɛnsode}}
2.

Examine this system of linear equations.

y – 3x = –2

y = 4

Which is a solution of the system of equations?

Asemmisa {{asɛmmisaAhyɛnsode}}
3.

Which system of linear equations appears to have a solution of (3, 0)?

Asemmisa {{asɛmmisaAhyɛnsode}}
4.

Josue wrote the equations y=8x-2 and y=-4x-5. What can Josue conclude about the solution to this system of equations?

Asemmisa {{asɛmmisaAhyɛnsode}}
5.

Which graph represents the solution set to this system of equations?

Asemmisa {{asɛmmisaAhyɛnsode}}
6.

Javare graphed this system of equations to find the solution.

He determined that the solution is (–3, –3). Is he correct? If not, explain why.

Asemmisa {{asɛmmisaAhyɛnsode}}
7.

The graph of the equation y = 12x + 2 is shown. Which equations would intersect the orange line at the y-intercept? Select two correct answers.

Asemmisa {{asɛmmisaAhyɛnsode}}
8.

Which point on the graph represents the y-intercept?

Asemmisa {{asɛmmisaAhyɛnsode}}
9.

Four students graphed one linear function each. Which student graphed a linear function with a y-intercept at –4?

Asemmisa {{asɛmmisaAhyɛnsode}}
10.

The slope of a line is 2. The y-intercept of the line is –6. Which statement accurately describe how to graph the function?

Asemmisa {{asɛmmisaAhyɛnsode}}
11.

In the table, x represents the age in years of a collectible baseball card, and y represents its value in dollars. Determine if each statement describes the slope of the function in the table.

TRUE

FALSE

The slope is positive because as the age decreases, the value increases.

The slope is positive because as the age increases, the value increases.

The slope is negative because as the age decreases, the value decreases.

The slope is negative because as the age increases, the value decreases.

Asemmisa {{asɛmmisaAhyɛnsode}}
12.

Which expression can be used to determine the slope of the linear function represented in the table?

Asemmisa {{asɛmmisaAhyɛnsode}}
13.

In the table, x represents every mile Cannon's Cab drive in a cab and y represents the cost.

The slope is . The cab fee before driving off is